Home / 147,197,489.40-220,796,234.10-146,189,719.80

Finding the Fourth Proportional to 147,197,489.40, 220,796,234.10 and 146,189,719.80

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Solution

The fourth proportional to 147,197,489.40, 220,796,234.10 and 146,189,719.80 is: 219,284,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,197,489.40 : 220,796,234.10 = 146,189,719.80 : x
  2. Step 2: Convert to fraction form
    147,197,489.40/220,796,234.10 = 146,189,719.80/x
  3. Step 3: Cross multiply
    147,197,489.40x = 220,796,234.10 × 146,189,719.80
  4. Step 4: Simplify right side
    147,197,489.40x = 32,278,139,595,974,208
  5. Step 5: Solve for x
    x = 32,278,139,595,974,208/147,197,489.40
  6. Step 6: Final answer
    x = 219,284,579.70

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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.