Home / 67,720,216.32-93,454,572.96-36,780,989.76

Finding the Fourth Proportional to 67,720,216.32, 93,454,572.96 and 36,780,989.76

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Solution

The fourth proportional to 67,720,216.32, 93,454,572.96 and 36,780,989.76 is: 50,758,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,720,216.32 : 93,454,572.96 = 36,780,989.76 : x
  2. Step 2: Convert to fraction form
    67,720,216.32/93,454,572.96 = 36,780,989.76/x
  3. Step 3: Cross multiply
    67,720,216.32x = 93,454,572.96 × 36,780,989.76
  4. Step 4: Simplify right side
    67,720,216.32x = 3,437,351,691,066,932.50
  5. Step 5: Solve for x
    x = 3,437,351,691,066,932.50/67,720,216.32
  6. Step 6: Final answer
    x = 50,758,132.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.