Home / 73,721,309.60-110,665,945.20-43,446,231.20

Finding the Fourth Proportional to 73,721,309.60, 110,665,945.20 and 43,446,231.20

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Solution

The fourth proportional to 73,721,309.60, 110,665,945.20 and 43,446,231.20 is: 65,218,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721,309.60 : 110,665,945.20 = 43,446,231.20 : x
  2. Step 2: Convert to fraction form
    73,721,309.60/110,665,945.20 = 43,446,231.20/x
  3. Step 3: Cross multiply
    73,721,309.60x = 110,665,945.20 × 43,446,231.20
  4. Step 4: Simplify right side
    73,721,309.60x = 4,808,018,241,125,731
  5. Step 5: Solve for x
    x = 4,808,018,241,125,731/73,721,309.60
  6. Step 6: Final answer
    x = 65,218,839.26

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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.