Home / 48,266,956.20-72,400,434.30-42,976,165.80

Finding the Fourth Proportional to 48,266,956.20, 72,400,434.30 and 42,976,165.80

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Solution

The fourth proportional to 48,266,956.20, 72,400,434.30 and 42,976,165.80 is: 64,464,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,266,956.20 : 72,400,434.30 = 42,976,165.80 : x
  2. Step 2: Convert to fraction form
    48,266,956.20/72,400,434.30 = 42,976,165.80/x
  3. Step 3: Cross multiply
    48,266,956.20x = 72,400,434.30 × 42,976,165.80
  4. Step 4: Simplify right side
    48,266,956.20x = 3,111,493,068,468,806.50
  5. Step 5: Solve for x
    x = 3,111,493,068,468,806.50/48,266,956.20
  6. Step 6: Final answer
    x = 64,464,248.70

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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.