Home / 242,980,517.72-335,312,897.73-137,156,207.76

Finding the Fourth Proportional to 242,980,517.72, 335,312,897.73 and 137,156,207.76

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Solution

The fourth proportional to 242,980,517.72, 335,312,897.73 and 137,156,207.76 is: 189,275,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,980,517.72 : 335,312,897.73 = 137,156,207.76 : x
  2. Step 2: Convert to fraction form
    242,980,517.72/335,312,897.73 = 137,156,207.76/x
  3. Step 3: Cross multiply
    242,980,517.72x = 335,312,897.73 × 137,156,207.76
  4. Step 4: Simplify right side
    242,980,517.72x = 45,990,245,465,663,512
  5. Step 5: Solve for x
    x = 45,990,245,465,663,512/242,980,517.72
  6. Step 6: Final answer
    x = 189,275,444.37

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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.