Home / 189,527,792.66-284,110,073.21-80,202,573.80

Finding the Fourth Proportional to 189,527,792.66, 284,110,073.21 and 80,202,573.80

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Solution

The fourth proportional to 189,527,792.66, 284,110,073.21 and 80,202,573.80 is: 120,227,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,527,792.66 : 284,110,073.21 = 80,202,573.80 : x
  2. Step 2: Convert to fraction form
    189,527,792.66/284,110,073.21 = 80,202,573.80/x
  3. Step 3: Cross multiply
    189,527,792.66x = 284,110,073.21 × 80,202,573.80
  4. Step 4: Simplify right side
    189,527,792.66x = 22,786,359,112,728,384
  5. Step 5: Solve for x
    x = 22,786,359,112,728,384/189,527,792.66
  6. Step 6: Final answer
    x = 120,227,006.25

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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.