Home / 91,797,078.08-126,683,077.05-49,982,765.19

Finding the Fourth Proportional to 91,797,078.08, 126,683,077.05 and 49,982,765.19

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Solution

The fourth proportional to 91,797,078.08, 126,683,077.05 and 49,982,765.19 is: 68,977,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797,078.08 : 126,683,077.05 = 49,982,765.19 : x
  2. Step 2: Convert to fraction form
    91,797,078.08/126,683,077.05 = 49,982,765.19/x
  3. Step 3: Cross multiply
    91,797,078.08x = 126,683,077.05 × 49,982,765.19
  4. Step 4: Simplify right side
    91,797,078.08x = 6,331,970,493,736,827
  5. Step 5: Solve for x
    x = 6,331,970,493,736,827/91,797,078.08
  6. Step 6: Final answer
    x = 68,977,908.95

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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.