Home / 91,406,470.32-126,143,249.94-50,153,351.76

Finding the Fourth Proportional to 91,406,470.32, 126,143,249.94 and 50,153,351.76

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Solution

The fourth proportional to 91,406,470.32, 126,143,249.94 and 50,153,351.76 is: 69,212,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,406,470.32 : 126,143,249.94 = 50,153,351.76 : x
  2. Step 2: Convert to fraction form
    91,406,470.32/126,143,249.94 = 50,153,351.76/x
  3. Step 3: Cross multiply
    91,406,470.32x = 126,143,249.94 × 50,153,351.76
  4. Step 4: Simplify right side
    91,406,470.32x = 6,326,506,786,390,419
  5. Step 5: Solve for x
    x = 6,326,506,786,390,419/91,406,470.32
  6. Step 6: Final answer
    x = 69,212,898.87

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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.