Home / 52,488,081.30-78,732,121.95-47,701,175.70

Finding the Fourth Proportional to 52,488,081.30, 78,732,121.95 and 47,701,175.70

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Solution

The fourth proportional to 52,488,081.30, 78,732,121.95 and 47,701,175.70 is: 71,551,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,081.30 : 78,732,121.95 = 47,701,175.70 : x
  2. Step 2: Convert to fraction form
    52,488,081.30/78,732,121.95 = 47,701,175.70/x
  3. Step 3: Cross multiply
    52,488,081.30x = 78,732,121.95 × 47,701,175.70
  4. Step 4: Simplify right side
    52,488,081.30x = 3,755,614,782,370,777
  5. Step 5: Solve for x
    x = 3,755,614,782,370,777/52,488,081.30
  6. Step 6: Final answer
    x = 71,551,763.55

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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.