Home / 126,039,660.80-189,059,491.20-104,516,300.30

Finding the Fourth Proportional to 126,039,660.80, 189,059,491.20 and 104,516,300.30

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Solution

The fourth proportional to 126,039,660.80, 189,059,491.20 and 104,516,300.30 is: 156,774,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039,660.80 : 189,059,491.20 = 104,516,300.30 : x
  2. Step 2: Convert to fraction form
    126,039,660.80/189,059,491.20 = 104,516,300.30/x
  3. Step 3: Cross multiply
    126,039,660.80x = 189,059,491.20 × 104,516,300.30
  4. Step 4: Simplify right side
    126,039,660.80x = 19,759,798,556,824,404
  5. Step 5: Solve for x
    x = 19,759,798,556,824,404/126,039,660.80
  6. Step 6: Final answer
    x = 156,774,450.45

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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.