Home / 78,800,541.60-118,101,279.60-38,323,869.60

Finding the Fourth Proportional to 78,800,541.60, 118,101,279.60 and 38,323,869.60

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Solution

The fourth proportional to 78,800,541.60, 118,101,279.60 and 38,323,869.60 is: 57,437,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,800,541.60 : 118,101,279.60 = 38,323,869.60 : x
  2. Step 2: Convert to fraction form
    78,800,541.60/118,101,279.60 = 38,323,869.60/x
  3. Step 3: Cross multiply
    78,800,541.60x = 118,101,279.60 × 38,323,869.60
  4. Step 4: Simplify right side
    78,800,541.60x = 4,526,098,038,983,540
  5. Step 5: Solve for x
    x = 4,526,098,038,983,540/78,800,541.60
  6. Step 6: Final answer
    x = 57,437,397.60

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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.