Home / 205,057,911.42-282,982,575.69-112,236,426.36

Finding the Fourth Proportional to 205,057,911.42, 282,982,575.69 and 112,236,426.36

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Solution

The fourth proportional to 205,057,911.42, 282,982,575.69 and 112,236,426.36 is: 154,887,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,057,911.42 : 282,982,575.69 = 112,236,426.36 : x
  2. Step 2: Convert to fraction form
    205,057,911.42/282,982,575.69 = 112,236,426.36/x
  3. Step 3: Cross multiply
    205,057,911.42x = 282,982,575.69 × 112,236,426.36
  4. Step 4: Simplify right side
    205,057,911.42x = 31,760,953,017,593,812
  5. Step 5: Solve for x
    x = 31,760,953,017,593,812/205,057,911.42
  6. Step 6: Final answer
    x = 154,887,723.17

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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.