Home / 72,438,010.80-108,619,691.40-26,976,404.40

Finding the Fourth Proportional to 72,438,010.80, 108,619,691.40 and 26,976,404.40

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Solution

The fourth proportional to 72,438,010.80, 108,619,691.40 and 26,976,404.40 is: 40,450,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,438,010.80 : 108,619,691.40 = 26,976,404.40 : x
  2. Step 2: Convert to fraction form
    72,438,010.80/108,619,691.40 = 26,976,404.40/x
  3. Step 3: Cross multiply
    72,438,010.80x = 108,619,691.40 × 26,976,404.40
  4. Step 4: Simplify right side
    72,438,010.80x = 2,930,168,721,009,602
  5. Step 5: Solve for x
    x = 2,930,168,721,009,602/72,438,010.80
  6. Step 6: Final answer
    x = 40,450,706.59

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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.