Home / 205,231,618.11-283,216,132.54-111,145,000.53

Finding the Fourth Proportional to 205,231,618.11, 283,216,132.54 and 111,145,000.53

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Solution

The fourth proportional to 205,231,618.11, 283,216,132.54 and 111,145,000.53 is: 153,378,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,618.11 : 283,216,132.54 = 111,145,000.53 : x
  2. Step 2: Convert to fraction form
    205,231,618.11/283,216,132.54 = 111,145,000.53/x
  3. Step 3: Cross multiply
    205,231,618.11x = 283,216,132.54 × 111,145,000.53
  4. Step 4: Simplify right side
    205,231,618.11x = 31,478,057,200,707,128
  5. Step 5: Solve for x
    x = 31,478,057,200,707,128/205,231,618.11
  6. Step 6: Final answer
    x = 153,378,205.03

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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.