Home / 68,377,478.40-102,565,825.92-17,259,287.04

Finding the Fourth Proportional to 68,377,478.40, 102,565,825.92 and 17,259,287.04

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Solution

The fourth proportional to 68,377,478.40, 102,565,825.92 and 17,259,287.04 is: 25,888,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377,478.40 : 102,565,825.92 = 17,259,287.04 : x
  2. Step 2: Convert to fraction form
    68,377,478.40/102,565,825.92 = 17,259,287.04/x
  3. Step 3: Cross multiply
    68,377,478.40x = 102,565,825.92 × 17,259,287.04
  4. Step 4: Simplify right side
    68,377,478.40x = 1,770,213,030,047,952
  5. Step 5: Solve for x
    x = 1,770,213,030,047,952/68,377,478.40
  6. Step 6: Final answer
    x = 25,888,831.70

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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.