Home / 118,298,034.72-177,288,437.07-92,068,542.36

Finding the Fourth Proportional to 118,298,034.72, 177,288,437.07 and 92,068,542.36

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Solution

The fourth proportional to 118,298,034.72, 177,288,437.07 and 92,068,542.36 is: 137,979,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,298,034.72 : 177,288,437.07 = 92,068,542.36 : x
  2. Step 2: Convert to fraction form
    118,298,034.72/177,288,437.07 = 92,068,542.36/x
  3. Step 3: Cross multiply
    118,298,034.72x = 177,288,437.07 × 92,068,542.36
  4. Step 4: Simplify right side
    118,298,034.72x = 16,322,687,978,317,488
  5. Step 5: Solve for x
    x = 16,322,687,978,317,488/118,298,034.72
  6. Step 6: Final answer
    x = 137,979,367.26

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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.