Home / 89,338,052.70-134,007,079.05-80,268,126.30

Finding the Fourth Proportional to 89,338,052.70, 134,007,079.05 and 80,268,126.30

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Solution

The fourth proportional to 89,338,052.70, 134,007,079.05 and 80,268,126.30 is: 120,402,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338,052.70 : 134,007,079.05 = 80,268,126.30 : x
  2. Step 2: Convert to fraction form
    89,338,052.70/134,007,079.05 = 80,268,126.30/x
  3. Step 3: Cross multiply
    89,338,052.70x = 134,007,079.05 × 80,268,126.30
  4. Step 4: Simplify right side
    89,338,052.70x = 10,756,497,146,279,484
  5. Step 5: Solve for x
    x = 10,756,497,146,279,484/89,338,052.70
  6. Step 6: Final answer
    x = 120,402,189.45

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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.