Home / 63,929,909.80-95,904,195.90-20,791,772.20

Finding the Fourth Proportional to 63,929,909.80, 95,904,195.90 and 20,791,772.20

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Solution

The fourth proportional to 63,929,909.80, 95,904,195.90 and 20,791,772.20 is: 31,190,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929,909.80 : 95,904,195.90 = 20,791,772.20 : x
  2. Step 2: Convert to fraction form
    63,929,909.80/95,904,195.90 = 20,791,772.20/x
  3. Step 3: Cross multiply
    63,929,909.80x = 95,904,195.90 × 20,791,772.20
  4. Step 4: Simplify right side
    63,929,909.80x = 1,994,018,194,176,974
  5. Step 5: Solve for x
    x = 1,994,018,194,176,974/63,929,909.80
  6. Step 6: Final answer
    x = 31,190,693.06

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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.