Home / 52,488,078.20-78,732,117.30-47,197,287.80

Finding the Fourth Proportional to 52,488,078.20, 78,732,117.30 and 47,197,287.80

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Solution

The fourth proportional to 52,488,078.20, 78,732,117.30 and 47,197,287.80 is: 70,795,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,078.20 : 78,732,117.30 = 47,197,287.80 : x
  2. Step 2: Convert to fraction form
    52,488,078.20/78,732,117.30 = 47,197,287.80/x
  3. Step 3: Cross multiply
    52,488,078.20x = 78,732,117.30 × 47,197,287.80
  4. Step 4: Simplify right side
    52,488,078.20x = 3,715,942,399,311,458.50
  5. Step 5: Solve for x
    x = 3,715,942,399,311,458.50/52,488,078.20
  6. Step 6: Final answer
    x = 70,795,931.70

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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.