Home / 80,627,174.08-120,352,152.23-69,186,162.77

Finding the Fourth Proportional to 80,627,174.08, 120,352,152.23 and 69,186,162.77

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Solution

The fourth proportional to 80,627,174.08, 120,352,152.23 and 69,186,162.77 is: 103,274,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,627,174.08 : 120,352,152.23 = 69,186,162.77 : x
  2. Step 2: Convert to fraction form
    80,627,174.08/120,352,152.23 = 69,186,162.77/x
  3. Step 3: Cross multiply
    80,627,174.08x = 120,352,152.23 × 69,186,162.77
  4. Step 4: Simplify right side
    80,627,174.08x = 8,326,703,593,667,676
  5. Step 5: Solve for x
    x = 8,326,703,593,667,676/80,627,174.08
  6. Step 6: Final answer
    x = 103,274,158.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.