Home / 73,412,187.60-110,202,262.20-43,137,109.20

Finding the Fourth Proportional to 73,412,187.60, 110,202,262.20 and 43,137,109.20

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Solution

The fourth proportional to 73,412,187.60, 110,202,262.20 and 43,137,109.20 is: 64,755,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,412,187.60 : 110,202,262.20 = 43,137,109.20 : x
  2. Step 2: Convert to fraction form
    73,412,187.60/110,202,262.20 = 43,137,109.20/x
  3. Step 3: Cross multiply
    73,412,187.60x = 110,202,262.20 × 43,137,109.20
  4. Step 4: Simplify right side
    73,412,187.60x = 4,753,807,018,608,433
  5. Step 5: Solve for x
    x = 4,753,807,018,608,433/73,412,187.60
  6. Step 6: Final answer
    x = 64,755,011.04

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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.