Home / 126,085,240.80-189,127,861.20-104,561,880.30

Finding the Fourth Proportional to 126,085,240.80, 189,127,861.20 and 104,561,880.30

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Solution

The fourth proportional to 126,085,240.80, 189,127,861.20 and 104,561,880.30 is: 156,842,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,085,240.80 : 189,127,861.20 = 104,561,880.30 : x
  2. Step 2: Convert to fraction form
    126,085,240.80/189,127,861.20 = 104,561,880.30/x
  3. Step 3: Cross multiply
    126,085,240.80x = 189,127,861.20 × 104,561,880.30
  4. Step 4: Simplify right side
    126,085,240.80x = 19,775,564,784,189,412
  5. Step 5: Solve for x
    x = 19,775,564,784,189,412/126,085,240.80
  6. Step 6: Final answer
    x = 156,842,820.45

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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.