Home / 232,703,036.12-321,132,355.92-128,284,844.10

Finding the Fourth Proportional to 232,703,036.12, 321,132,355.92 and 128,284,844.10

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Solution

The fourth proportional to 232,703,036.12, 321,132,355.92 and 128,284,844.10 is: 177,034,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,703,036.12 : 321,132,355.92 = 128,284,844.10 : x
  2. Step 2: Convert to fraction form
    232,703,036.12/321,132,355.92 = 128,284,844.10/x
  3. Step 3: Cross multiply
    232,703,036.12x = 321,132,355.92 × 128,284,844.10
  4. Step 4: Simplify right side
    232,703,036.12x = 41,196,414,214,662,912
  5. Step 5: Solve for x
    x = 41,196,414,214,662,912/232,703,036.12
  6. Step 6: Final answer
    x = 177,034,278.98

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1.5x scale

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.