Home / 52,488,115.20-78,732,172.80-52,169,250.60

Finding the Fourth Proportional to 52,488,115.20, 78,732,172.80 and 52,169,250.60

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Solution

The fourth proportional to 52,488,115.20, 78,732,172.80 and 52,169,250.60 is: 78,253,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,115.20 : 78,732,172.80 = 52,169,250.60 : x
  2. Step 2: Convert to fraction form
    52,488,115.20/78,732,172.80 = 52,169,250.60/x
  3. Step 3: Cross multiply
    52,488,115.20x = 78,732,172.80 × 52,169,250.60
  4. Step 4: Simplify right side
    52,488,115.20x = 4,107,398,453,085,703.50
  5. Step 5: Solve for x
    x = 4,107,398,453,085,703.50/52,488,115.20
  6. Step 6: Final answer
    x = 78,253,875.90

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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.