Home / 63,909,011.40-95,863,517.10-20,779,621.80

Finding the Fourth Proportional to 63,909,011.40, 95,863,517.10 and 20,779,621.80

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Solution

The fourth proportional to 63,909,011.40, 95,863,517.10 and 20,779,621.80 is: 31,169,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909,011.40 : 95,863,517.10 = 20,779,621.80 : x
  2. Step 2: Convert to fraction form
    63,909,011.40/95,863,517.10 = 20,779,621.80/x
  3. Step 3: Cross multiply
    63,909,011.40x = 95,863,517.10 × 20,779,621.80
  4. Step 4: Simplify right side
    63,909,011.40x = 1,992,007,629,755,832.75
  5. Step 5: Solve for x
    x = 1,992,007,629,755,832.75/63,909,011.40
  6. Step 6: Final answer
    x = 31,169,432.70

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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.