Home / 89,338,423.20-134,007,634.80-80,268,496.80

Finding the Fourth Proportional to 89,338,423.20, 134,007,634.80 and 80,268,496.80

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Solution

The fourth proportional to 89,338,423.20, 134,007,634.80 and 80,268,496.80 is: 120,402,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338,423.20 : 134,007,634.80 = 80,268,496.80 : x
  2. Step 2: Convert to fraction form
    89,338,423.20/134,007,634.80 = 80,268,496.80/x
  3. Step 3: Cross multiply
    89,338,423.20x = 134,007,634.80 × 80,268,496.80
  4. Step 4: Simplify right side
    89,338,423.20x = 10,756,591,405,119,368
  5. Step 5: Solve for x
    x = 10,756,591,405,119,368/89,338,423.20
  6. Step 6: Final answer
    x = 120,402,745.20

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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.