Home / 205,231,618.53-283,216,133.12-111,145,000.95

Finding the Fourth Proportional to 205,231,618.53, 283,216,133.12 and 111,145,000.95

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Solution

The fourth proportional to 205,231,618.53, 283,216,133.12 and 111,145,000.95 is: 153,378,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,618.53 : 283,216,133.12 = 111,145,000.95 : x
  2. Step 2: Convert to fraction form
    205,231,618.53/283,216,133.12 = 111,145,000.95/x
  3. Step 3: Cross multiply
    205,231,618.53x = 283,216,133.12 × 111,145,000.95
  4. Step 4: Simplify right side
    205,231,618.53x = 31,478,057,385,600,852
  5. Step 5: Solve for x
    x = 31,478,057,385,600,852/205,231,618.53
  6. Step 6: Final answer
    x = 153,378,205.62

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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.