Home / 126,334,156.04-189,472,585.93-57,201,321.43

Finding the Fourth Proportional to 126,334,156.04, 189,472,585.93 and 57,201,321.43

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Solution

The fourth proportional to 126,334,156.04, 189,472,585.93 and 57,201,321.43 is: 85,789,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,334,156.04 : 189,472,585.93 = 57,201,321.43 : x
  2. Step 2: Convert to fraction form
    126,334,156.04/189,472,585.93 = 57,201,321.43/x
  3. Step 3: Cross multiply
    126,334,156.04x = 189,472,585.93 × 57,201,321.43
  4. Step 4: Simplify right side
    126,334,156.04x = 10,838,082,289,338,542
  5. Step 5: Solve for x
    x = 10,838,082,289,338,542/126,334,156.04
  6. Step 6: Final answer
    x = 85,789,010.90

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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.