Home / 88,079,911.80-132,119,867.70-80,143,726.20

Finding the Fourth Proportional to 88,079,911.80, 132,119,867.70 and 80,143,726.20

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Solution

The fourth proportional to 88,079,911.80, 132,119,867.70 and 80,143,726.20 is: 120,215,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079,911.80 : 132,119,867.70 = 80,143,726.20 : x
  2. Step 2: Convert to fraction form
    88,079,911.80/132,119,867.70 = 80,143,726.20/x
  3. Step 3: Cross multiply
    88,079,911.80x = 132,119,867.70 × 80,143,726.20
  4. Step 4: Simplify right side
    88,079,911.80x = 10,588,578,502,529,024
  5. Step 5: Solve for x
    x = 10,588,578,502,529,024/88,079,911.80
  6. Step 6: Final answer
    x = 120,215,589.30

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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.