Home / 257,896,237.40-386,844,356.10-234,087,680.60

Finding the Fourth Proportional to 257,896,237.40, 386,844,356.10 and 234,087,680.60

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Solution

The fourth proportional to 257,896,237.40, 386,844,356.10 and 234,087,680.60 is: 351,131,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,896,237.40 : 386,844,356.10 = 234,087,680.60 : x
  2. Step 2: Convert to fraction form
    257,896,237.40/386,844,356.10 = 234,087,680.60/x
  3. Step 3: Cross multiply
    257,896,237.40x = 386,844,356.10 × 234,087,680.60
  4. Step 4: Simplify right side
    257,896,237.40x = 90,555,498,072,649,472
  5. Step 5: Solve for x
    x = 90,555,498,072,649,472/257,896,237.40
  6. Step 6: Final answer
    x = 351,131,520.90

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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.