Home / 105,692,768.28-145,857,243.78-58,650,806.52

Finding the Fourth Proportional to 105,692,768.28, 145,857,243.78 and 58,650,806.52

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Solution

The fourth proportional to 105,692,768.28, 145,857,243.78 and 58,650,806.52 is: 80,938,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,692,768.28 : 145,857,243.78 = 58,650,806.52 : x
  2. Step 2: Convert to fraction form
    105,692,768.28/145,857,243.78 = 58,650,806.52/x
  3. Step 3: Cross multiply
    105,692,768.28x = 145,857,243.78 × 58,650,806.52
  4. Step 4: Simplify right side
    105,692,768.28x = 8,554,644,984,481,254
  5. Step 5: Solve for x
    x = 8,554,644,984,481,254/105,692,768.28
  6. Step 6: Final answer
    x = 80,938,791.97

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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.