Home / 205,231,625.10-283,216,142.18-111,145,007.52

Finding the Fourth Proportional to 205,231,625.10, 283,216,142.18 and 111,145,007.52

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Solution

The fourth proportional to 205,231,625.10, 283,216,142.18 and 111,145,007.52 is: 153,378,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,625.10 : 283,216,142.18 = 111,145,007.52 : x
  2. Step 2: Convert to fraction form
    205,231,625.10/283,216,142.18 = 111,145,007.52/x
  3. Step 3: Cross multiply
    205,231,625.10x = 283,216,142.18 × 111,145,007.52
  4. Step 4: Simplify right side
    205,231,625.10x = 31,478,060,251,825,764
  5. Step 5: Solve for x
    x = 31,478,060,251,825,764/205,231,625.10
  6. Step 6: Final answer
    x = 153,378,214.67

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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.