Home / 186,791,512.20-280,187,268.30-118,935,025.80

Finding the Fourth Proportional to 186,791,512.20, 280,187,268.30 and 118,935,025.80

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Solution

The fourth proportional to 186,791,512.20, 280,187,268.30 and 118,935,025.80 is: 178,402,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,791,512.20 : 280,187,268.30 = 118,935,025.80 : x
  2. Step 2: Convert to fraction form
    186,791,512.20/280,187,268.30 = 118,935,025.80/x
  3. Step 3: Cross multiply
    186,791,512.20x = 280,187,268.30 × 118,935,025.80
  4. Step 4: Simplify right side
    186,791,512.20x = 33,324,079,984,092,024
  5. Step 5: Solve for x
    x = 33,324,079,984,092,024/186,791,512.20
  6. Step 6: Final answer
    x = 178,402,538.70

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1.5x scale

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.