Home / 82,784,561.40-124,176,842.10-74,722,404.60

Finding the Fourth Proportional to 82,784,561.40, 124,176,842.10 and 74,722,404.60

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Solution

The fourth proportional to 82,784,561.40, 124,176,842.10 and 74,722,404.60 is: 112,083,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,784,561.40 : 124,176,842.10 = 74,722,404.60 : x
  2. Step 2: Convert to fraction form
    82,784,561.40/124,176,842.10 = 74,722,404.60/x
  3. Step 3: Cross multiply
    82,784,561.40x = 124,176,842.10 × 74,722,404.60
  4. Step 4: Simplify right side
    82,784,561.40x = 9,278,792,237,346,512
  5. Step 5: Solve for x
    x = 9,278,792,237,346,512/82,784,561.40
  6. Step 6: Final answer
    x = 112,083,606.90

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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.