Home / 204,041,403.68-281,488,467.26-129,662,139.21

Finding the Fourth Proportional to 204,041,403.68, 281,488,467.26 and 129,662,139.21

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Solution

The fourth proportional to 204,041,403.68, 281,488,467.26 and 129,662,139.21 is: 178,877,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,041,403.68 : 281,488,467.26 = 129,662,139.21 : x
  2. Step 2: Convert to fraction form
    204,041,403.68/281,488,467.26 = 129,662,139.21/x
  3. Step 3: Cross multiply
    204,041,403.68x = 281,488,467.26 × 129,662,139.21
  4. Step 4: Simplify right side
    204,041,403.68x = 36,498,396,827,227,336
  5. Step 5: Solve for x
    x = 36,498,396,827,227,336/204,041,403.68
  6. Step 6: Final answer
    x = 178,877,405.12

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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.