Home / 126,646,048.60-189,969,072.90-119,591,661.40

Finding the Fourth Proportional to 126,646,048.60, 189,969,072.90 and 119,591,661.40

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Solution

The fourth proportional to 126,646,048.60, 189,969,072.90 and 119,591,661.40 is: 179,387,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,646,048.60 : 189,969,072.90 = 119,591,661.40 : x
  2. Step 2: Convert to fraction form
    126,646,048.60/189,969,072.90 = 119,591,661.40/x
  3. Step 3: Cross multiply
    126,646,048.60x = 189,969,072.90 × 119,591,661.40
  4. Step 4: Simplify right side
    126,646,048.60x = 22,718,717,042,728,716
  5. Step 5: Solve for x
    x = 22,718,717,042,728,716/126,646,048.60
  6. Step 6: Final answer
    x = 179,387,492.10

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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.