Home / 126,366,906.60-189,550,359.90-105,959,572.20

Finding the Fourth Proportional to 126,366,906.60, 189,550,359.90 and 105,959,572.20

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Solution

The fourth proportional to 126,366,906.60, 189,550,359.90 and 105,959,572.20 is: 158,939,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366,906.60 : 189,550,359.90 = 105,959,572.20 : x
  2. Step 2: Convert to fraction form
    126,366,906.60/189,550,359.90 = 105,959,572.20/x
  3. Step 3: Cross multiply
    126,366,906.60x = 189,550,359.90 × 105,959,572.20
  4. Step 4: Simplify right side
    126,366,906.60x = 20,084,675,045,360,036
  5. Step 5: Solve for x
    x = 20,084,675,045,360,036/126,366,906.60
  6. Step 6: Final answer
    x = 158,939,358.30

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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.