Home / 113,669,148.52-156,877,791.78-74,543,841.64

Finding the Fourth Proportional to 113,669,148.52, 156,877,791.78 and 74,543,841.64

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Solution

The fourth proportional to 113,669,148.52, 156,877,791.78 and 74,543,841.64 is: 102,879,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,669,148.52 : 156,877,791.78 = 74,543,841.64 : x
  2. Step 2: Convert to fraction form
    113,669,148.52/156,877,791.78 = 74,543,841.64/x
  3. Step 3: Cross multiply
    113,669,148.52x = 156,877,791.78 × 74,543,841.64
  4. Step 4: Simplify right side
    113,669,148.52x = 11,694,273,267,281,214
  5. Step 5: Solve for x
    x = 11,694,273,267,281,214/113,669,148.52
  6. Step 6: Final answer
    x = 102,879,923.18

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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.