Home / 232,275,139.20-348,412,708.80-128,963,008.80

Finding the Fourth Proportional to 232,275,139.20, 348,412,708.80 and 128,963,008.80

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Solution

The fourth proportional to 232,275,139.20, 348,412,708.80 and 128,963,008.80 is: 193,444,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,275,139.20 : 348,412,708.80 = 128,963,008.80 : x
  2. Step 2: Convert to fraction form
    232,275,139.20/348,412,708.80 = 128,963,008.80/x
  3. Step 3: Cross multiply
    232,275,139.20x = 348,412,708.80 × 128,963,008.80
  4. Step 4: Simplify right side
    232,275,139.20x = 44,932,351,231,006,240
  5. Step 5: Solve for x
    x = 44,932,351,231,006,240/232,275,139.20
  6. Step 6: Final answer
    x = 193,444,513.20

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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.