Home / 78,339,276.30-117,508,914.45-24,486,501.90

Finding the Fourth Proportional to 78,339,276.30, 117,508,914.45 and 24,486,501.90

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Solution

The fourth proportional to 78,339,276.30, 117,508,914.45 and 24,486,501.90 is: 36,729,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,339,276.30 : 117,508,914.45 = 24,486,501.90 : x
  2. Step 2: Convert to fraction form
    78,339,276.30/117,508,914.45 = 24,486,501.90/x
  3. Step 3: Cross multiply
    78,339,276.30x = 117,508,914.45 × 24,486,501.90
  4. Step 4: Simplify right side
    78,339,276.30x = 2,877,382,256,946,862.50
  5. Step 5: Solve for x
    x = 2,877,382,256,946,862.50/78,339,276.30
  6. Step 6: Final answer
    x = 36,729,752.85

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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.