Home / 99,696,007.30-149,292,068.55-79,540,615.30

Finding the Fourth Proportional to 99,696,007.30, 149,292,068.55 and 79,540,615.30

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Solution

The fourth proportional to 99,696,007.30, 149,292,068.55 and 79,540,615.30 is: 119,109,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,007.30 : 149,292,068.55 = 79,540,615.30 : x
  2. Step 2: Convert to fraction form
    99,696,007.30/149,292,068.55 = 79,540,615.30/x
  3. Step 3: Cross multiply
    99,696,007.30x = 149,292,068.55 × 79,540,615.30
  4. Step 4: Simplify right side
    99,696,007.30x = 11,874,782,991,876,780
  5. Step 5: Solve for x
    x = 11,874,782,991,876,780/99,696,007.30
  6. Step 6: Final answer
    x = 119,109,915.37

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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.