Home / 150,368,991.80-207,521,898.22-84,288,433.72

Finding the Fourth Proportional to 150,368,991.80, 207,521,898.22 and 84,288,433.72

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Solution

The fourth proportional to 150,368,991.80, 207,521,898.22 and 84,288,433.72 is: 116,325,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,368,991.80 : 207,521,898.22 = 84,288,433.72 : x
  2. Step 2: Convert to fraction form
    150,368,991.80/207,521,898.22 = 84,288,433.72/x
  3. Step 3: Cross multiply
    150,368,991.80x = 207,521,898.22 × 84,288,433.72
  4. Step 4: Simplify right side
    150,368,991.80x = 17,491,695,763,565,056
  5. Step 5: Solve for x
    x = 17,491,695,763,565,056/150,368,991.80
  6. Step 6: Final answer
    x = 116,325,151.58

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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.