Home / 169,489,311.40-254,267,144.70-72,444,831.40

Finding the Fourth Proportional to 169,489,311.40, 254,267,144.70 and 72,444,831.40

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Solution

The fourth proportional to 169,489,311.40, 254,267,144.70 and 72,444,831.40 is: 108,681,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,311.40 : 254,267,144.70 = 72,444,831.40 : x
  2. Step 2: Convert to fraction form
    169,489,311.40/254,267,144.70 = 72,444,831.40/x
  3. Step 3: Cross multiply
    169,489,311.40x = 254,267,144.70 × 72,444,831.40
  4. Step 4: Simplify right side
    169,489,311.40x = 18,420,340,428,350,904
  5. Step 5: Solve for x
    x = 18,420,340,428,350,904/169,489,311.40
  6. Step 6: Final answer
    x = 108,681,428.20

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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.