Home / 258,189,409.20-386,761,566.60-160,846,330.80

Finding the Fourth Proportional to 258,189,409.20, 386,761,566.60 and 160,846,330.80

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Solution

The fourth proportional to 258,189,409.20, 386,761,566.60 and 160,846,330.80 is: 240,943,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,189,409.20 : 386,761,566.60 = 160,846,330.80 : x
  2. Step 2: Convert to fraction form
    258,189,409.20/386,761,566.60 = 160,846,330.80/x
  3. Step 3: Cross multiply
    258,189,409.20x = 386,761,566.60 × 160,846,330.80
  4. Step 4: Simplify right side
    258,189,409.20x = 62,209,178,882,069,840
  5. Step 5: Solve for x
    x = 62,209,178,882,069,840/258,189,409.20
  6. Step 6: Final answer
    x = 240,943,960.77

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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.