Home / 57,487,652.80-86,231,479.20-55,220,171.20

Finding the Fourth Proportional to 57,487,652.80, 86,231,479.20 and 55,220,171.20

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Solution

The fourth proportional to 57,487,652.80, 86,231,479.20 and 55,220,171.20 is: 82,830,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,487,652.80 : 86,231,479.20 = 55,220,171.20 : x
  2. Step 2: Convert to fraction form
    57,487,652.80/86,231,479.20 = 55,220,171.20/x
  3. Step 3: Cross multiply
    57,487,652.80x = 86,231,479.20 × 55,220,171.20
  4. Step 4: Simplify right side
    57,487,652.80x = 4,761,717,044,253,239
  5. Step 5: Solve for x
    x = 4,761,717,044,253,239/57,487,652.80
  6. Step 6: Final answer
    x = 82,830,256.80

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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.