Home / 205,119,143.73-283,053,668.79-112,281,868.53

Finding the Fourth Proportional to 205,119,143.73, 283,053,668.79 and 112,281,868.53

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Solution

The fourth proportional to 205,119,143.73, 283,053,668.79 and 112,281,868.53 is: 154,943,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,119,143.73 : 283,053,668.79 = 112,281,868.53 : x
  2. Step 2: Convert to fraction form
    205,119,143.73/283,053,668.79 = 112,281,868.53/x
  3. Step 3: Cross multiply
    205,119,143.73x = 283,053,668.79 × 112,281,868.53
  4. Step 4: Simplify right side
    205,119,143.73x = 31,781,794,826,012,948
  5. Step 5: Solve for x
    x = 31,781,794,826,012,948/205,119,143.73
  6. Step 6: Final answer
    x = 154,943,094.28

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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.