Home / 91,506,446.96-126,278,437.86-49,690,138.73

Finding the Fourth Proportional to 91,506,446.96, 126,278,437.86 and 49,690,138.73

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Solution

The fourth proportional to 91,506,446.96, 126,278,437.86 and 49,690,138.73 is: 68,572,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,506,446.96 : 126,278,437.86 = 49,690,138.73 : x
  2. Step 2: Convert to fraction form
    91,506,446.96/126,278,437.86 = 49,690,138.73/x
  3. Step 3: Cross multiply
    91,506,446.96x = 126,278,437.86 × 49,690,138.73
  4. Step 4: Simplify right side
    91,506,446.96x = 6,274,793,095,239,692
  5. Step 5: Solve for x
    x = 6,274,793,095,239,692/91,506,446.96
  6. Step 6: Final answer
    x = 68,572,142.23

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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.