Home / 205,283,644.02-283,289,082.78-111,196,017.18

Finding the Fourth Proportional to 205,283,644.02, 283,289,082.78 and 111,196,017.18

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Solution

The fourth proportional to 205,283,644.02, 283,289,082.78 and 111,196,017.18 is: 153,449,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,283,644.02 : 283,289,082.78 = 111,196,017.18 : x
  2. Step 2: Convert to fraction form
    205,283,644.02/283,289,082.78 = 111,196,017.18/x
  3. Step 3: Cross multiply
    205,283,644.02x = 283,289,082.78 × 111,196,017.18
  4. Step 4: Simplify right side
    205,283,644.02x = 31,500,617,715,711,320
  5. Step 5: Solve for x
    x = 31,500,617,715,711,320/205,283,644.02
  6. Step 6: Final answer
    x = 153,449,232.97

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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.