Home / 80,925,649.67-111,651,900.63-49,530,970.04

Finding the Fourth Proportional to 80,925,649.67, 111,651,900.63 and 49,530,970.04

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Solution

The fourth proportional to 80,925,649.67, 111,651,900.63 and 49,530,970.04 is: 68,337,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925,649.67 : 111,651,900.63 = 49,530,970.04 : x
  2. Step 2: Convert to fraction form
    80,925,649.67/111,651,900.63 = 49,530,970.04/x
  3. Step 3: Cross multiply
    80,925,649.67x = 111,651,900.63 × 49,530,970.04
  4. Step 4: Simplify right side
    80,925,649.67x = 5,530,226,944,455,327
  5. Step 5: Solve for x
    x = 5,530,226,944,455,327/80,925,649.67
  6. Step 6: Final answer
    x = 68,337,133.74

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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.