Home / 106,538,606.90-159,807,910.35-72,101,230.10

Finding the Fourth Proportional to 106,538,606.90, 159,807,910.35 and 72,101,230.10

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Solution

The fourth proportional to 106,538,606.90, 159,807,910.35 and 72,101,230.10 is: 108,151,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,538,606.90 : 159,807,910.35 = 72,101,230.10 : x
  2. Step 2: Convert to fraction form
    106,538,606.90/159,807,910.35 = 72,101,230.10/x
  3. Step 3: Cross multiply
    106,538,606.90x = 159,807,910.35 × 72,101,230.10
  4. Step 4: Simplify right side
    106,538,606.90x = 11,522,346,915,945,520
  5. Step 5: Solve for x
    x = 11,522,346,915,945,520/106,538,606.90
  6. Step 6: Final answer
    x = 108,151,845.15

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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.