Home / 63,929,946.80-95,904,251.40-20,791,809.20

Finding the Fourth Proportional to 63,929,946.80, 95,904,251.40 and 20,791,809.20

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Solution

The fourth proportional to 63,929,946.80, 95,904,251.40 and 20,791,809.20 is: 31,190,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929,946.80 : 95,904,251.40 = 20,791,809.20 : x
  2. Step 2: Convert to fraction form
    63,929,946.80/95,904,251.40 = 20,791,809.20/x
  3. Step 3: Cross multiply
    63,929,946.80x = 95,904,251.40 × 20,791,809.20
  4. Step 4: Simplify right side
    63,929,946.80x = 1,994,022,896,577,633
  5. Step 5: Solve for x
    x = 1,994,022,896,577,633/63,929,946.80
  6. Step 6: Final answer
    x = 31,190,748.57

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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.