Home / 261,517,007.70-392,275,511.55-146,725,751.70

Finding the Fourth Proportional to 261,517,007.70, 392,275,511.55 and 146,725,751.70

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Solution

The fourth proportional to 261,517,007.70, 392,275,511.55 and 146,725,751.70 is: 220,088,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,517,007.70 : 392,275,511.55 = 146,725,751.70 : x
  2. Step 2: Convert to fraction form
    261,517,007.70/392,275,511.55 = 146,725,751.70/x
  3. Step 3: Cross multiply
    261,517,007.70x = 392,275,511.55 × 146,725,751.70
  4. Step 4: Simplify right side
    261,517,007.70x = 57,556,919,305,675,776
  5. Step 5: Solve for x
    x = 57,556,919,305,675,776/261,517,007.70
  6. Step 6: Final answer
    x = 220,088,627.55

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1.5x scale

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.