Home / 81,684,232.97-122,516,150.27-33,115,421.72

Finding the Fourth Proportional to 81,684,232.97, 122,516,150.27 and 33,115,421.72

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Solution

The fourth proportional to 81,684,232.97, 122,516,150.27 and 33,115,421.72 is: 49,668,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,684,232.97 : 122,516,150.27 = 33,115,421.72 : x
  2. Step 2: Convert to fraction form
    81,684,232.97/122,516,150.27 = 33,115,421.72/x
  3. Step 3: Cross multiply
    81,684,232.97x = 122,516,150.27 × 33,115,421.72
  4. Step 4: Simplify right side
    81,684,232.97x = 4,057,173,983,153,502
  5. Step 5: Solve for x
    x = 4,057,173,983,153,502/81,684,232.97
  6. Step 6: Final answer
    x = 49,668,997.74

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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.