Home / 198,102,002.40-297,153,003.60-61,787,167.20

Finding the Fourth Proportional to 198,102,002.40, 297,153,003.60 and 61,787,167.20

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Solution

The fourth proportional to 198,102,002.40, 297,153,003.60 and 61,787,167.20 is: 92,680,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,102,002.40 : 297,153,003.60 = 61,787,167.20 : x
  2. Step 2: Convert to fraction form
    198,102,002.40/297,153,003.60 = 61,787,167.20/x
  3. Step 3: Cross multiply
    198,102,002.40x = 297,153,003.60 × 61,787,167.20
  4. Step 4: Simplify right side
    198,102,002.40x = 18,360,242,317,415,404
  5. Step 5: Solve for x
    x = 18,360,242,317,415,404/198,102,002.40
  6. Step 6: Final answer
    x = 92,680,750.80

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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.