Home / 399,248,119.40-599,096,127.90-169,178,052.20

Finding the Fourth Proportional to 399,248,119.40, 599,096,127.90 and 169,178,052.20

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Solution

The fourth proportional to 399,248,119.40, 599,096,127.90 and 169,178,052.20 is: 253,861,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,248,119.40 : 599,096,127.90 = 169,178,052.20 : x
  2. Step 2: Convert to fraction form
    399,248,119.40/599,096,127.90 = 169,178,052.20/x
  3. Step 3: Cross multiply
    399,248,119.40x = 599,096,127.90 × 169,178,052.20
  4. Step 4: Simplify right side
    399,248,119.40x = 101,353,915,998,684,064
  5. Step 5: Solve for x
    x = 101,353,915,998,684,064/399,248,119.40
  6. Step 6: Final answer
    x = 253,861,974.73

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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.