Home / 344,876,200.80-517,513,366.80-129,487,221.60

Finding the Fourth Proportional to 344,876,200.80, 517,513,366.80 and 129,487,221.60

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Solution

The fourth proportional to 344,876,200.80, 517,513,366.80 and 129,487,221.60 is: 194,305,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,876,200.80 : 517,513,366.80 = 129,487,221.60 : x
  2. Step 2: Convert to fraction form
    344,876,200.80/517,513,366.80 = 129,487,221.60/x
  3. Step 3: Cross multiply
    344,876,200.80x = 517,513,366.80 × 129,487,221.60
  4. Step 4: Simplify right side
    344,876,200.80x = 67,011,368,007,793,680
  5. Step 5: Solve for x
    x = 67,011,368,007,793,680/344,876,200.80
  6. Step 6: Final answer
    x = 194,305,573.57

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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.