Home / 261,517,016.70-392,275,525.05-146,725,760.70

Finding the Fourth Proportional to 261,517,016.70, 392,275,525.05 and 146,725,760.70

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Solution

The fourth proportional to 261,517,016.70, 392,275,525.05 and 146,725,760.70 is: 220,088,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,517,016.70 : 392,275,525.05 = 146,725,760.70 : x
  2. Step 2: Convert to fraction form
    261,517,016.70/392,275,525.05 = 146,725,760.70/x
  3. Step 3: Cross multiply
    261,517,016.70x = 392,275,525.05 × 146,725,760.70
  4. Step 4: Simplify right side
    261,517,016.70x = 57,556,924,816,953,152
  5. Step 5: Solve for x
    x = 57,556,924,816,953,152/261,517,016.70
  6. Step 6: Final answer
    x = 220,088,641.05

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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.