Home / 52,488,079.20-78,732,118.80-52,169,214.60

Finding the Fourth Proportional to 52,488,079.20, 78,732,118.80 and 52,169,214.60

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Solution

The fourth proportional to 52,488,079.20, 78,732,118.80 and 52,169,214.60 is: 78,253,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,079.20 : 78,732,118.80 = 52,169,214.60 : x
  2. Step 2: Convert to fraction form
    52,488,079.20/78,732,118.80 = 52,169,214.60/x
  3. Step 3: Cross multiply
    52,488,079.20x = 78,732,118.80 × 52,169,214.60
  4. Step 4: Simplify right side
    52,488,079.20x = 4,107,392,801,589,894.50
  5. Step 5: Solve for x
    x = 4,107,392,801,589,894.50/52,488,079.20
  6. Step 6: Final answer
    x = 78,253,821.90

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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.