Home / 112,445,951.52-168,672,660.88-38,669,007.68

Finding the Fourth Proportional to 112,445,951.52, 168,672,660.88 and 38,669,007.68

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Solution

The fourth proportional to 112,445,951.52, 168,672,660.88 and 38,669,007.68 is: 58,004,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445,951.52 : 168,672,660.88 = 38,669,007.68 : x
  2. Step 2: Convert to fraction form
    112,445,951.52/168,672,660.88 = 38,669,007.68/x
  3. Step 3: Cross multiply
    112,445,951.52x = 168,672,660.88 × 38,669,007.68
  4. Step 4: Simplify right side
    112,445,951.52x = 6,522,404,418,974,755
  5. Step 5: Solve for x
    x = 6,522,404,418,974,755/112,445,951.52
  6. Step 6: Final answer
    x = 58,004,795.47

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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.