Home / 179,086,901.40-268,497,641.70-121,435,291.80

Finding the Fourth Proportional to 179,086,901.40, 268,497,641.70 and 121,435,291.80

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Solution

The fourth proportional to 179,086,901.40, 268,497,641.70 and 121,435,291.80 is: 182,062,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,086,901.40 : 268,497,641.70 = 121,435,291.80 : x
  2. Step 2: Convert to fraction form
    179,086,901.40/268,497,641.70 = 121,435,291.80/x
  3. Step 3: Cross multiply
    179,086,901.40x = 268,497,641.70 × 121,435,291.80
  4. Step 4: Simplify right side
    179,086,901.40x = 32,605,089,467,451,344
  5. Step 5: Solve for x
    x = 32,605,089,467,451,344/179,086,901.40
  6. Step 6: Final answer
    x = 182,062,949.40

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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.