Home / 63,821,048.40-95,732,350.20-20,689,909.20

Finding the Fourth Proportional to 63,821,048.40, 95,732,350.20 and 20,689,909.20

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Solution

The fourth proportional to 63,821,048.40, 95,732,350.20 and 20,689,909.20 is: 31,035,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,821,048.40 : 95,732,350.20 = 20,689,909.20 : x
  2. Step 2: Convert to fraction form
    63,821,048.40/95,732,350.20 = 20,689,909.20/x
  3. Step 3: Cross multiply
    63,821,048.40x = 95,732,350.20 × 20,689,909.20
  4. Step 4: Simplify right side
    63,821,048.40x = 1,980,693,633,140,601.75
  5. Step 5: Solve for x
    x = 1,980,693,633,140,601.75/63,821,048.40
  6. Step 6: Final answer
    x = 31,035,115.89

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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.