Home / 57,721,397.68-79,654,544.72-31,259,536.77

Finding the Fourth Proportional to 57,721,397.68, 79,654,544.72 and 31,259,536.77

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Solution

The fourth proportional to 57,721,397.68, 79,654,544.72 and 31,259,536.77 is: 43,137,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721,397.68 : 79,654,544.72 = 31,259,536.77 : x
  2. Step 2: Convert to fraction form
    57,721,397.68/79,654,544.72 = 31,259,536.77/x
  3. Step 3: Cross multiply
    57,721,397.68x = 79,654,544.72 × 31,259,536.77
  4. Step 4: Simplify right side
    57,721,397.68x = 2,489,964,169,832,079.50
  5. Step 5: Solve for x
    x = 2,489,964,169,832,079.50/57,721,397.68
  6. Step 6: Final answer
    x = 43,137,627.81

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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.