Home / 80,942,464.33-121,353,860.11-42,025,039.93

Finding the Fourth Proportional to 80,942,464.33, 121,353,860.11 and 42,025,039.93

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Solution

The fourth proportional to 80,942,464.33, 121,353,860.11 and 42,025,039.93 is: 63,006,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,942,464.33 : 121,353,860.11 = 42,025,039.93 : x
  2. Step 2: Convert to fraction form
    80,942,464.33/121,353,860.11 = 42,025,039.93/x
  3. Step 3: Cross multiply
    80,942,464.33x = 121,353,860.11 × 42,025,039.93
  4. Step 4: Simplify right side
    80,942,464.33x = 5,099,900,816,782,384
  5. Step 5: Solve for x
    x = 5,099,900,816,782,384/80,942,464.33
  6. Step 6: Final answer
    x = 63,006,493.06

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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.