Home / 89,384,964.70-134,077,447.05-79,748,167.90

Finding the Fourth Proportional to 89,384,964.70, 134,077,447.05 and 79,748,167.90

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Solution

The fourth proportional to 89,384,964.70, 134,077,447.05 and 79,748,167.90 is: 119,622,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,384,964.70 : 134,077,447.05 = 79,748,167.90 : x
  2. Step 2: Convert to fraction form
    89,384,964.70/134,077,447.05 = 79,748,167.90/x
  3. Step 3: Cross multiply
    89,384,964.70x = 134,077,447.05 × 79,748,167.90
  4. Step 4: Simplify right side
    89,384,964.70x = 10,692,430,758,946,760
  5. Step 5: Solve for x
    x = 10,692,430,758,946,760/89,384,964.70
  6. Step 6: Final answer
    x = 119,622,251.85

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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.