Home / 155,141,366.20-232,712,049.30-68,788,108.60

Finding the Fourth Proportional to 155,141,366.20, 232,712,049.30 and 68,788,108.60

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Solution

The fourth proportional to 155,141,366.20, 232,712,049.30 and 68,788,108.60 is: 103,182,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,141,366.20 : 232,712,049.30 = 68,788,108.60 : x
  2. Step 2: Convert to fraction form
    155,141,366.20/232,712,049.30 = 68,788,108.60/x
  3. Step 3: Cross multiply
    155,141,366.20x = 232,712,049.30 × 68,788,108.60
  4. Step 4: Simplify right side
    155,141,366.20x = 16,007,821,719,776,954
  5. Step 5: Solve for x
    x = 16,007,821,719,776,954/155,141,366.20
  6. Step 6: Final answer
    x = 103,182,162.90

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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.