Home / 66,272,391.20-99,349,489.20-25,873,479.20

Finding the Fourth Proportional to 66,272,391.20, 99,349,489.20 and 25,873,479.20

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Solution

The fourth proportional to 66,272,391.20, 99,349,489.20 and 25,873,479.20 is: 38,787,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,272,391.20 : 99,349,489.20 = 25,873,479.20 : x
  2. Step 2: Convert to fraction form
    66,272,391.20/99,349,489.20 = 25,873,479.20/x
  3. Step 3: Cross multiply
    66,272,391.20x = 99,349,489.20 × 25,873,479.20
  4. Step 4: Simplify right side
    66,272,391.20x = 2,570,516,942,346,824.50
  5. Step 5: Solve for x
    x = 2,570,516,942,346,824.50/66,272,391.20
  6. Step 6: Final answer
    x = 38,787,146.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.