Home / 83,643,348.60-125,468,709.30-47,251,207.80

Finding the Fourth Proportional to 83,643,348.60, 125,468,709.30 and 47,251,207.80

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Solution

The fourth proportional to 83,643,348.60, 125,468,709.30 and 47,251,207.80 is: 70,878,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,643,348.60 : 125,468,709.30 = 47,251,207.80 : x
  2. Step 2: Convert to fraction form
    83,643,348.60/125,468,709.30 = 47,251,207.80/x
  3. Step 3: Cross multiply
    83,643,348.60x = 125,468,709.30 × 47,251,207.80
  4. Step 4: Simplify right side
    83,643,348.60x = 5,928,548,055,532,092
  5. Step 5: Solve for x
    x = 5,928,548,055,532,092/83,643,348.60
  6. Step 6: Final answer
    x = 70,878,894.19

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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.