Home / 78,732,061.70-118,098,092.55-73,351,221.58

Finding the Fourth Proportional to 78,732,061.70, 118,098,092.55 and 73,351,221.58

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Solution

The fourth proportional to 78,732,061.70, 118,098,092.55 and 73,351,221.58 is: 110,026,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,061.70 : 118,098,092.55 = 73,351,221.58 : x
  2. Step 2: Convert to fraction form
    78,732,061.70/118,098,092.55 = 73,351,221.58/x
  3. Step 3: Cross multiply
    78,732,061.70x = 118,098,092.55 × 73,351,221.58
  4. Step 4: Simplify right side
    78,732,061.70x = 8,662,639,354,219,907
  5. Step 5: Solve for x
    x = 8,662,639,354,219,907/78,732,061.70
  6. Step 6: Final answer
    x = 110,026,832.36

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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.