Home / 80,903,999.10-121,355,998.65-27,051,311.10

Finding the Fourth Proportional to 80,903,999.10, 121,355,998.65 and 27,051,311.10

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Solution

The fourth proportional to 80,903,999.10, 121,355,998.65 and 27,051,311.10 is: 40,576,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,999.10 : 121,355,998.65 = 27,051,311.10 : x
  2. Step 2: Convert to fraction form
    80,903,999.10/121,355,998.65 = 27,051,311.10/x
  3. Step 3: Cross multiply
    80,903,999.10x = 121,355,998.65 × 27,051,311.10
  4. Step 4: Simplify right side
    80,903,999.10x = 3,282,838,873,332,330.50
  5. Step 5: Solve for x
    x = 3,282,838,873,332,330.50/80,903,999.10
  6. Step 6: Final answer
    x = 40,576,966.65

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Double scale
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Similar ratio
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1.5x scale

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.