Home / 89,338,426.20-134,007,639.30-80,268,499.80

Finding the Fourth Proportional to 89,338,426.20, 134,007,639.30 and 80,268,499.80

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Solution

The fourth proportional to 89,338,426.20, 134,007,639.30 and 80,268,499.80 is: 120,402,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338,426.20 : 134,007,639.30 = 80,268,499.80 : x
  2. Step 2: Convert to fraction form
    89,338,426.20/134,007,639.30 = 80,268,499.80/x
  3. Step 3: Cross multiply
    89,338,426.20x = 134,007,639.30 × 80,268,499.80
  4. Step 4: Simplify right side
    89,338,426.20x = 10,756,592,168,350,522
  5. Step 5: Solve for x
    x = 10,756,592,168,350,522/89,338,426.20
  6. Step 6: Final answer
    x = 120,402,749.70

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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.