Home / 69,500,129.92-95,886,423.12-39,709,402.72

Finding the Fourth Proportional to 69,500,129.92, 95,886,423.12 and 39,709,402.72

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Solution

The fourth proportional to 69,500,129.92, 95,886,423.12 and 39,709,402.72 is: 54,785,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500,129.92 : 95,886,423.12 = 39,709,402.72 : x
  2. Step 2: Convert to fraction form
    69,500,129.92/95,886,423.12 = 39,709,402.72/x
  3. Step 3: Cross multiply
    69,500,129.92x = 95,886,423.12 × 39,709,402.72
  4. Step 4: Simplify right side
    69,500,129.92x = 3,807,592,591,052,399
  5. Step 5: Solve for x
    x = 3,807,592,591,052,399/69,500,129.92
  6. Step 6: Final answer
    x = 54,785,402.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.