Home / 112,098,998.90-168,175,070.40-57,520,008.20

Finding the Fourth Proportional to 112,098,998.90, 168,175,070.40 and 57,520,008.20

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Solution

The fourth proportional to 112,098,998.90, 168,175,070.40 and 57,520,008.20 is: 86,293,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098,998.90 : 168,175,070.40 = 57,520,008.20 : x
  2. Step 2: Convert to fraction form
    112,098,998.90/168,175,070.40 = 57,520,008.20/x
  3. Step 3: Cross multiply
    112,098,998.90x = 168,175,070.40 × 57,520,008.20
  4. Step 4: Simplify right side
    112,098,998.90x = 9,673,431,428,443,578
  5. Step 5: Solve for x
    x = 9,673,431,428,443,578/112,098,998.90
  6. Step 6: Final answer
    x = 86,293,646.90

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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.