Home / 105,384,833.63-145,446,282.54-60,722,251.78

Finding the Fourth Proportional to 105,384,833.63, 145,446,282.54 and 60,722,251.78

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Solution

The fourth proportional to 105,384,833.63, 145,446,282.54 and 60,722,251.78 is: 83,805,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,384,833.63 : 145,446,282.54 = 60,722,251.78 : x
  2. Step 2: Convert to fraction form
    105,384,833.63/145,446,282.54 = 60,722,251.78/x
  3. Step 3: Cross multiply
    105,384,833.63x = 145,446,282.54 × 60,722,251.78
  4. Step 4: Simplify right side
    105,384,833.63x = 8,831,825,788,555,287
  5. Step 5: Solve for x
    x = 8,831,825,788,555,287/105,384,833.63
  6. Step 6: Final answer
    x = 83,805,472.61

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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.