Home / 73,721,123.10-110,665,665.45-43,446,044.70

Finding the Fourth Proportional to 73,721,123.10, 110,665,665.45 and 43,446,044.70

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Solution

The fourth proportional to 73,721,123.10, 110,665,665.45 and 43,446,044.70 is: 65,218,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721,123.10 : 110,665,665.45 = 43,446,044.70 : x
  2. Step 2: Convert to fraction form
    73,721,123.10/110,665,665.45 = 43,446,044.70/x
  3. Step 3: Cross multiply
    73,721,123.10x = 110,665,665.45 × 43,446,044.70
  4. Step 4: Simplify right side
    73,721,123.10x = 4,807,985,447,895,946
  5. Step 5: Solve for x
    x = 4,807,985,447,895,946/73,721,123.10
  6. Step 6: Final answer
    x = 65,218,559.43

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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.