Home / 103,488,012.60-155,210,246.10-52,321,932.60

Finding the Fourth Proportional to 103,488,012.60, 155,210,246.10 and 52,321,932.60

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Solution

The fourth proportional to 103,488,012.60, 155,210,246.10 and 52,321,932.60 is: 78,471,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,488,012.60 : 155,210,246.10 = 52,321,932.60 : x
  2. Step 2: Convert to fraction form
    103,488,012.60/155,210,246.10 = 52,321,932.60/x
  3. Step 3: Cross multiply
    103,488,012.60x = 155,210,246.10 × 52,321,932.60
  4. Step 4: Simplify right side
    103,488,012.60x = 8,120,900,035,273,613
  5. Step 5: Solve for x
    x = 8,120,900,035,273,613/103,488,012.60
  6. Step 6: Final answer
    x = 78,471,890.91

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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.