Home / 257,950,478.80-386,914,910.20-83,069,641.82

Finding the Fourth Proportional to 257,950,478.80, 386,914,910.20 and 83,069,641.82

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Solution

The fourth proportional to 257,950,478.80, 386,914,910.20 and 83,069,641.82 is: 124,600,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,950,478.80 : 386,914,910.20 = 83,069,641.82 : x
  2. Step 2: Convert to fraction form
    257,950,478.80/386,914,910.20 = 83,069,641.82/x
  3. Step 3: Cross multiply
    257,950,478.80x = 386,914,910.20 × 83,069,641.82
  4. Step 4: Simplify right side
    257,950,478.80x = 32,140,883,005,131,460
  5. Step 5: Solve for x
    x = 32,140,883,005,131,460/257,950,478.80
  6. Step 6: Final answer
    x = 124,600,982.15

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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.