Home / 225,826,356.86-311,645,746.05-126,714,434.66

Finding the Fourth Proportional to 225,826,356.86, 311,645,746.05 and 126,714,434.66

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Solution

The fourth proportional to 225,826,356.86, 311,645,746.05 and 126,714,434.66 is: 174,868,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,826,356.86 : 311,645,746.05 = 126,714,434.66 : x
  2. Step 2: Convert to fraction form
    225,826,356.86/311,645,746.05 = 126,714,434.66/x
  3. Step 3: Cross multiply
    225,826,356.86x = 311,645,746.05 × 126,714,434.66
  4. Step 4: Simplify right side
    225,826,356.86x = 39,490,014,524,919,680
  5. Step 5: Solve for x
    x = 39,490,014,524,919,680/225,826,356.86
  6. Step 6: Final answer
    x = 174,868,935.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.