Home / 88,064,291.70-132,096,437.55-81,686,999.70

Finding the Fourth Proportional to 88,064,291.70, 132,096,437.55 and 81,686,999.70

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Solution

The fourth proportional to 88,064,291.70, 132,096,437.55 and 81,686,999.70 is: 122,530,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,064,291.70 : 132,096,437.55 = 81,686,999.70 : x
  2. Step 2: Convert to fraction form
    88,064,291.70/132,096,437.55 = 81,686,999.70/x
  3. Step 3: Cross multiply
    88,064,291.70x = 132,096,437.55 × 81,686,999.70
  4. Step 4: Simplify right side
    88,064,291.70x = 10,790,561,654,517,918
  5. Step 5: Solve for x
    x = 10,790,561,654,517,918/88,064,291.70
  6. Step 6: Final answer
    x = 122,530,499.55

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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.