Home / 153,107,906.30-229,661,859.45-139,715,593.10

Finding the Fourth Proportional to 153,107,906.30, 229,661,859.45 and 139,715,593.10

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Solution

The fourth proportional to 153,107,906.30, 229,661,859.45 and 139,715,593.10 is: 209,573,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,107,906.30 : 229,661,859.45 = 139,715,593.10 : x
  2. Step 2: Convert to fraction form
    153,107,906.30/229,661,859.45 = 139,715,593.10/x
  3. Step 3: Cross multiply
    153,107,906.30x = 229,661,859.45 × 139,715,593.10
  4. Step 4: Simplify right side
    153,107,906.30x = 32,087,342,905,505,588
  5. Step 5: Solve for x
    x = 32,087,342,905,505,588/153,107,906.30
  6. Step 6: Final answer
    x = 209,573,389.65

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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.