Home / 86,920,128,029.60-130,380,192,044.40-83,491,695,850.40

Finding the Fourth Proportional to 86,920,128,029.60, 130,380,192,044.40 and 83,491,695,850.40

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Solution

The fourth proportional to 86,920,128,029.60, 130,380,192,044.40 and 83,491,695,850.40 is: 125,237,543,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,029.60 : 130,380,192,044.40 = 83,491,695,850.40 : x
  2. Step 2: Convert to fraction form
    86,920,128,029.60/130,380,192,044.40 = 83,491,695,850.40/x
  3. Step 3: Cross multiply
    86,920,128,029.60x = 130,380,192,044.40 × 83,491,695,850.40
  4. Step 4: Simplify right side
    86,920,128,029.60x = 10,885,663,339,087,784,837,120
  5. Step 5: Solve for x
    x = 10,885,663,339,087,784,837,120/86,920,128,029.60
  6. Step 6: Final answer
    x = 125,237,543,775.60

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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.