Home / 52,859,209.20-79,270,151.40-18,781,666.80

Finding the Fourth Proportional to 52,859,209.20, 79,270,151.40 and 18,781,666.80

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Solution

The fourth proportional to 52,859,209.20, 79,270,151.40 and 18,781,666.80 is: 28,165,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,859,209.20 : 79,270,151.40 = 18,781,666.80 : x
  2. Step 2: Convert to fraction form
    52,859,209.20/79,270,151.40 = 18,781,666.80/x
  3. Step 3: Cross multiply
    52,859,209.20x = 79,270,151.40 × 18,781,666.80
  4. Step 4: Simplify right side
    52,859,209.20x = 1,488,825,570,780,353.75
  5. Step 5: Solve for x
    x = 1,488,825,570,780,353.75/52,859,209.20
  6. Step 6: Final answer
    x = 28,165,869.17

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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.