Home / 45,055,123.20-67,472,458.20-40,688,123.46

Finding the Fourth Proportional to 45,055,123.20, 67,472,458.20 and 40,688,123.46

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Solution

The fourth proportional to 45,055,123.20, 67,472,458.20 and 40,688,123.46 is: 60,932,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,055,123.20 : 67,472,458.20 = 40,688,123.46 : x
  2. Step 2: Convert to fraction form
    45,055,123.20/67,472,458.20 = 40,688,123.46/x
  3. Step 3: Cross multiply
    45,055,123.20x = 67,472,458.20 × 40,688,123.46
  4. Step 4: Simplify right side
    45,055,123.20x = 2,745,327,709,391,289.50
  5. Step 5: Solve for x
    x = 2,745,327,709,391,289.50/45,055,123.20
  6. Step 6: Final answer
    x = 60,932,642.38

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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.