Home / 175,598,721.38-263,311,890.78-86,864,769.38

Finding the Fourth Proportional to 175,598,721.38, 263,311,890.78 and 86,864,769.38

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Solution

The fourth proportional to 175,598,721.38, 263,311,890.78 and 86,864,769.38 is: 130,254,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,598,721.38 : 263,311,890.78 = 86,864,769.38 : x
  2. Step 2: Convert to fraction form
    175,598,721.38/263,311,890.78 = 86,864,769.38/x
  3. Step 3: Cross multiply
    175,598,721.38x = 263,311,890.78 × 86,864,769.38
  4. Step 4: Simplify right side
    175,598,721.38x = 22,872,526,667,616,448
  5. Step 5: Solve for x
    x = 22,872,526,667,616,448/175,598,721.38
  6. Step 6: Final answer
    x = 130,254,517.16

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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.