Home / 136,207,049.52-187,969,699.08-74,331,373.89

Finding the Fourth Proportional to 136,207,049.52, 187,969,699.08 and 74,331,373.89

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Solution

The fourth proportional to 136,207,049.52, 187,969,699.08 and 74,331,373.89 is: 102,579,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207,049.52 : 187,969,699.08 = 74,331,373.89 : x
  2. Step 2: Convert to fraction form
    136,207,049.52/187,969,699.08 = 74,331,373.89/x
  3. Step 3: Cross multiply
    136,207,049.52x = 187,969,699.08 × 74,331,373.89
  4. Step 4: Simplify right side
    136,207,049.52x = 13,972,045,982,306,270
  5. Step 5: Solve for x
    x = 13,972,045,982,306,270/136,207,049.52
  6. Step 6: Final answer
    x = 102,579,462.90

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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.