Home / 91,226,249.28-125,892,247.68-49,974,608.16

Finding the Fourth Proportional to 91,226,249.28, 125,892,247.68 and 49,974,608.16

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Solution

The fourth proportional to 91,226,249.28, 125,892,247.68 and 49,974,608.16 is: 68,964,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,226,249.28 : 125,892,247.68 = 49,974,608.16 : x
  2. Step 2: Convert to fraction form
    91,226,249.28/125,892,247.68 = 49,974,608.16/x
  3. Step 3: Cross multiply
    91,226,249.28x = 125,892,247.68 × 49,974,608.16
  4. Step 4: Simplify right side
    91,226,249.28x = 6,291,415,748,189,669
  5. Step 5: Solve for x
    x = 6,291,415,748,189,669/91,226,249.28
  6. Step 6: Final answer
    x = 68,964,972.23

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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.