Home / 198,144,005.60-297,216,008.40-106,311,000.80

Finding the Fourth Proportional to 198,144,005.60, 297,216,008.40 and 106,311,000.80

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Solution

The fourth proportional to 198,144,005.60, 297,216,008.40 and 106,311,000.80 is: 159,466,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,144,005.60 : 297,216,008.40 = 106,311,000.80 : x
  2. Step 2: Convert to fraction form
    198,144,005.60/297,216,008.40 = 106,311,000.80/x
  3. Step 3: Cross multiply
    198,144,005.60x = 297,216,008.40 × 106,311,000.80
  4. Step 4: Simplify right side
    198,144,005.60x = 31,597,331,306,785,204
  5. Step 5: Solve for x
    x = 31,597,331,306,785,204/198,144,005.60
  6. Step 6: Final answer
    x = 159,466,501.20

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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.