Home / 121,247,882.16-181,749,247.56-52,205,711.28

Finding the Fourth Proportional to 121,247,882.16, 181,749,247.56 and 52,205,711.28

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Solution

The fourth proportional to 121,247,882.16, 181,749,247.56 and 52,205,711.28 is: 78,255,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,247,882.16 : 181,749,247.56 = 52,205,711.28 : x
  2. Step 2: Convert to fraction form
    121,247,882.16/181,749,247.56 = 52,205,711.28/x
  3. Step 3: Cross multiply
    121,247,882.16x = 181,749,247.56 × 52,205,711.28
  4. Step 4: Simplify right side
    121,247,882.16x = 9,488,348,743,474,604
  5. Step 5: Solve for x
    x = 9,488,348,743,474,604/121,247,882.16
  6. Step 6: Final answer
    x = 78,255,789.50

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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.