Home / 45,416,399.19-68,123,957.23-21,141,748.95

Finding the Fourth Proportional to 45,416,399.19, 68,123,957.23 and 21,141,748.95

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Solution

The fourth proportional to 45,416,399.19, 68,123,957.23 and 21,141,748.95 is: 31,712,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416,399.19 : 68,123,957.23 = 21,141,748.95 : x
  2. Step 2: Convert to fraction form
    45,416,399.19/68,123,957.23 = 21,141,748.95/x
  3. Step 3: Cross multiply
    45,416,399.19x = 68,123,957.23 × 21,141,748.95
  4. Step 4: Simplify right side
    45,416,399.19x = 1,440,259,601,237,197.50
  5. Step 5: Solve for x
    x = 1,440,259,601,237,197.50/45,416,399.19
  6. Step 6: Final answer
    x = 31,712,324.78

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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.