Home / 153,251,368.28-229,948,796.97-66,978,564.95

Finding the Fourth Proportional to 153,251,368.28, 229,948,796.97 and 66,978,564.95

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Solution

The fourth proportional to 153,251,368.28, 229,948,796.97 and 66,978,564.95 is: 100,499,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,251,368.28 : 229,948,796.97 = 66,978,564.95 : x
  2. Step 2: Convert to fraction form
    153,251,368.28/229,948,796.97 = 66,978,564.95/x
  3. Step 3: Cross multiply
    153,251,368.28x = 229,948,796.97 × 66,978,564.95
  4. Step 4: Simplify right side
    153,251,368.28x = 15,401,640,433,029,508
  5. Step 5: Solve for x
    x = 15,401,640,433,029,508/153,251,368.28
  6. Step 6: Final answer
    x = 100,499,203.41

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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.