Home / 208,656,302.20-312,984,453.30-132,065,812.60

Finding the Fourth Proportional to 208,656,302.20, 312,984,453.30 and 132,065,812.60

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Solution

The fourth proportional to 208,656,302.20, 312,984,453.30 and 132,065,812.60 is: 198,098,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,656,302.20 : 312,984,453.30 = 132,065,812.60 : x
  2. Step 2: Convert to fraction form
    208,656,302.20/312,984,453.30 = 132,065,812.60/x
  3. Step 3: Cross multiply
    208,656,302.20x = 312,984,453.30 × 132,065,812.60
  4. Step 4: Simplify right side
    208,656,302.20x = 41,334,546,156,231,248
  5. Step 5: Solve for x
    x = 41,334,546,156,231,248/208,656,302.20
  6. Step 6: Final answer
    x = 198,098,718.90

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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.