Home / 91,797,031.71-126,683,012.90-49,982,718.69

Finding the Fourth Proportional to 91,797,031.71, 126,683,012.90 and 49,982,718.69

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Solution

The fourth proportional to 91,797,031.71, 126,683,012.90 and 49,982,718.69 is: 68,977,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797,031.71 : 126,683,012.90 = 49,982,718.69 : x
  2. Step 2: Convert to fraction form
    91,797,031.71/126,683,012.90 = 49,982,718.69/x
  3. Step 3: Cross multiply
    91,797,031.71x = 126,683,012.90 × 49,982,718.69
  4. Step 4: Simplify right side
    91,797,031.71x = 6,331,961,396,707,298
  5. Step 5: Solve for x
    x = 6,331,961,396,707,298/91,797,031.71
  6. Step 6: Final answer
    x = 68,977,844.69

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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.