Home / 261,235,631.13-360,423,998.33-148,186,505.17

Finding the Fourth Proportional to 261,235,631.13, 360,423,998.33 and 148,186,505.17

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Solution

The fourth proportional to 261,235,631.13, 360,423,998.33 and 148,186,505.17 is: 204,451,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,235,631.13 : 360,423,998.33 = 148,186,505.17 : x
  2. Step 2: Convert to fraction form
    261,235,631.13/360,423,998.33 = 148,186,505.17/x
  3. Step 3: Cross multiply
    261,235,631.13x = 360,423,998.33 × 148,186,505.17
  4. Step 4: Simplify right side
    261,235,631.13x = 53,409,972,691,920,608
  5. Step 5: Solve for x
    x = 53,409,972,691,920,608/261,235,631.13
  6. Step 6: Final answer
    x = 204,451,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.