Home / 238,451,934.52-329,015,429.31-139,313,535.13

Finding the Fourth Proportional to 238,451,934.52, 329,015,429.31 and 139,313,535.13

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Solution

The fourth proportional to 238,451,934.52, 329,015,429.31 and 139,313,535.13 is: 192,224,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,451,934.52 : 329,015,429.31 = 139,313,535.13 : x
  2. Step 2: Convert to fraction form
    238,451,934.52/329,015,429.31 = 139,313,535.13/x
  3. Step 3: Cross multiply
    238,451,934.52x = 329,015,429.31 × 139,313,535.13
  4. Step 4: Simplify right side
    238,451,934.52x = 45,836,302,569,490,712
  5. Step 5: Solve for x
    x = 45,836,302,569,490,712/238,451,934.52
  6. Step 6: Final answer
    x = 192,224,494.47

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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.