Home / 86,920,128,026.10-130,380,192,039.15-83,491,695,846.90

Finding the Fourth Proportional to 86,920,128,026.10, 130,380,192,039.15 and 83,491,695,846.90

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Solution

The fourth proportional to 86,920,128,026.10, 130,380,192,039.15 and 83,491,695,846.90 is: 125,237,543,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,026.10 : 130,380,192,039.15 = 83,491,695,846.90 : x
  2. Step 2: Convert to fraction form
    86,920,128,026.10/130,380,192,039.15 = 83,491,695,846.90/x
  3. Step 3: Cross multiply
    86,920,128,026.10x = 130,380,192,039.15 × 83,491,695,846.90
  4. Step 4: Simplify right side
    86,920,128,026.10x = 10,885,663,338,193,123,016,704
  5. Step 5: Solve for x
    x = 10,885,663,338,193,123,016,704/86,920,128,026.10
  6. Step 6: Final answer
    x = 125,237,543,770.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.