Home / 186,502,023.20-279,753,034.80-141,152,391.20

Finding the Fourth Proportional to 186,502,023.20, 279,753,034.80 and 141,152,391.20

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Solution

The fourth proportional to 186,502,023.20, 279,753,034.80 and 141,152,391.20 is: 211,728,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,502,023.20 : 279,753,034.80 = 141,152,391.20 : x
  2. Step 2: Convert to fraction form
    186,502,023.20/279,753,034.80 = 141,152,391.20/x
  3. Step 3: Cross multiply
    186,502,023.20x = 279,753,034.80 × 141,152,391.20
  4. Step 4: Simplify right side
    186,502,023.20x = 39,487,809,807,476,816
  5. Step 5: Solve for x
    x = 39,487,809,807,476,816/186,502,023.20
  6. Step 6: Final answer
    x = 211,728,586.80

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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.