Home / 57,687,781.32-79,609,156.16-31,583,957.09

Finding the Fourth Proportional to 57,687,781.32, 79,609,156.16 and 31,583,957.09

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Solution

The fourth proportional to 57,687,781.32, 79,609,156.16 and 31,583,957.09 is: 43,585,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687,781.32 : 79,609,156.16 = 31,583,957.09 : x
  2. Step 2: Convert to fraction form
    57,687,781.32/79,609,156.16 = 31,583,957.09/x
  3. Step 3: Cross multiply
    57,687,781.32x = 79,609,156.16 × 31,583,957.09
  4. Step 4: Simplify right side
    57,687,781.32x = 2,514,372,171,572,583.50
  5. Step 5: Solve for x
    x = 2,514,372,171,572,583.50/57,687,781.32
  6. Step 6: Final answer
    x = 43,585,870.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.