Home / 205,231,636.20-283,216,159-111,145,019.64

Finding the Fourth Proportional to 205,231,636.20, 283,216,159 and 111,145,019.64

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Solution

The fourth proportional to 205,231,636.20, 283,216,159 and 111,145,019.64 is: 153,378,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,636.20 : 283,216,159 = 111,145,019.64 : x
  2. Step 2: Convert to fraction form
    205,231,636.20/283,216,159 = 111,145,019.64/x
  3. Step 3: Cross multiply
    205,231,636.20x = 283,216,159 × 111,145,019.64
  4. Step 4: Simplify right side
    205,231,636.20x = 31,478,065,554,420,364
  5. Step 5: Solve for x
    x = 31,478,065,554,420,364/205,231,636.20
  6. Step 6: Final answer
    x = 153,378,232.21

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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.