Home / 121,418,526.58-167,558,068.04-65,663,945.78

Finding the Fourth Proportional to 121,418,526.58, 167,558,068.04 and 65,663,945.78

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Solution

The fourth proportional to 121,418,526.58, 167,558,068.04 and 65,663,945.78 is: 90,616,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,418,526.58 : 167,558,068.04 = 65,663,945.78 : x
  2. Step 2: Convert to fraction form
    121,418,526.58/167,558,068.04 = 65,663,945.78/x
  3. Step 3: Cross multiply
    121,418,526.58x = 167,558,068.04 × 65,663,945.78
  4. Step 4: Simplify right side
    121,418,526.58x = 11,002,523,894,780,110
  5. Step 5: Solve for x
    x = 11,002,523,894,780,110/121,418,526.58
  6. Step 6: Final answer
    x = 90,616,516.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.