Home / 155,016,422.40-232,524,633.60-68,922,980.40

Finding the Fourth Proportional to 155,016,422.40, 232,524,633.60 and 68,922,980.40

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Solution

The fourth proportional to 155,016,422.40, 232,524,633.60 and 68,922,980.40 is: 103,384,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,016,422.40 : 232,524,633.60 = 68,922,980.40 : x
  2. Step 2: Convert to fraction form
    155,016,422.40/232,524,633.60 = 68,922,980.40/x
  3. Step 3: Cross multiply
    155,016,422.40x = 232,524,633.60 × 68,922,980.40
  4. Step 4: Simplify right side
    155,016,422.40x = 16,026,290,764,129,982
  5. Step 5: Solve for x
    x = 16,026,290,764,129,982/155,016,422.40
  6. Step 6: Final answer
    x = 103,384,470.60

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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.