Home / 262,440,363.20-393,660,544.80-153,153,348.80

Finding the Fourth Proportional to 262,440,363.20, 393,660,544.80 and 153,153,348.80

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Solution

The fourth proportional to 262,440,363.20, 393,660,544.80 and 153,153,348.80 is: 229,730,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,363.20 : 393,660,544.80 = 153,153,348.80 : x
  2. Step 2: Convert to fraction form
    262,440,363.20/393,660,544.80 = 153,153,348.80/x
  3. Step 3: Cross multiply
    262,440,363.20x = 393,660,544.80 × 153,153,348.80
  4. Step 4: Simplify right side
    262,440,363.20x = 60,290,430,726,552,432
  5. Step 5: Solve for x
    x = 60,290,430,726,552,432/262,440,363.20
  6. Step 6: Final answer
    x = 229,730,023.20

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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.