Home / 88,079,905.80-132,119,858.70-80,143,720.20

Finding the Fourth Proportional to 88,079,905.80, 132,119,858.70 and 80,143,720.20

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Solution

The fourth proportional to 88,079,905.80, 132,119,858.70 and 80,143,720.20 is: 120,215,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079,905.80 : 132,119,858.70 = 80,143,720.20 : x
  2. Step 2: Convert to fraction form
    88,079,905.80/132,119,858.70 = 80,143,720.20/x
  3. Step 3: Cross multiply
    88,079,905.80x = 132,119,858.70 × 80,143,720.20
  4. Step 4: Simplify right side
    88,079,905.80x = 10,588,576,988,516,336
  5. Step 5: Solve for x
    x = 10,588,576,988,516,336/88,079,905.80
  6. Step 6: Final answer
    x = 120,215,580.30

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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.