Home / 153,286,279.20-229,929,418.80-145,728,007.20

Finding the Fourth Proportional to 153,286,279.20, 229,929,418.80 and 145,728,007.20

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Solution

The fourth proportional to 153,286,279.20, 229,929,418.80 and 145,728,007.20 is: 218,592,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,286,279.20 : 229,929,418.80 = 145,728,007.20 : x
  2. Step 2: Convert to fraction form
    153,286,279.20/229,929,418.80 = 145,728,007.20/x
  3. Step 3: Cross multiply
    153,286,279.20x = 229,929,418.80 × 145,728,007.20
  4. Step 4: Simplify right side
    153,286,279.20x = 33,507,155,998,378,216
  5. Step 5: Solve for x
    x = 33,507,155,998,378,216/153,286,279.20
  6. Step 6: Final answer
    x = 218,592,010.80

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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.