Home / 232,454,947.68-320,910,934.32-180,126,511.20

Finding the Fourth Proportional to 232,454,947.68, 320,910,934.32 and 180,126,511.20

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Solution

The fourth proportional to 232,454,947.68, 320,910,934.32 and 180,126,511.20 is: 248,669,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,454,947.68 : 320,910,934.32 = 180,126,511.20 : x
  2. Step 2: Convert to fraction form
    232,454,947.68/320,910,934.32 = 180,126,511.20/x
  3. Step 3: Cross multiply
    232,454,947.68x = 320,910,934.32 × 180,126,511.20
  4. Step 4: Simplify right side
    232,454,947.68x = 57,804,567,004,993,936
  5. Step 5: Solve for x
    x = 57,804,567,004,993,936/232,454,947.68
  6. Step 6: Final answer
    x = 248,669,979.20

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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.