Home / 52,488,002.20-78,732,003.30-47,197,211.80

Finding the Fourth Proportional to 52,488,002.20, 78,732,003.30 and 47,197,211.80

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Solution

The fourth proportional to 52,488,002.20, 78,732,003.30 and 47,197,211.80 is: 70,795,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,002.20 : 78,732,003.30 = 47,197,211.80 : x
  2. Step 2: Convert to fraction form
    52,488,002.20/78,732,003.30 = 47,197,211.80/x
  3. Step 3: Cross multiply
    52,488,002.20x = 78,732,003.30 × 47,197,211.80
  4. Step 4: Simplify right side
    52,488,002.20x = 3,715,931,035,188,398.50
  5. Step 5: Solve for x
    x = 3,715,931,035,188,398.50/52,488,002.20
  6. Step 6: Final answer
    x = 70,795,817.70

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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.