Home / 126,039,660.30-189,059,490.45-104,516,299.80

Finding the Fourth Proportional to 126,039,660.30, 189,059,490.45 and 104,516,299.80

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Solution

The fourth proportional to 126,039,660.30, 189,059,490.45 and 104,516,299.80 is: 156,774,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039,660.30 : 189,059,490.45 = 104,516,299.80 : x
  2. Step 2: Convert to fraction form
    126,039,660.30/189,059,490.45 = 104,516,299.80/x
  3. Step 3: Cross multiply
    126,039,660.30x = 189,059,490.45 × 104,516,299.80
  4. Step 4: Simplify right side
    126,039,660.30x = 19,759,798,383,907,436
  5. Step 5: Solve for x
    x = 19,759,798,383,907,436/126,039,660.30
  6. Step 6: Final answer
    x = 156,774,449.70

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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.