Home / 84,340,862.90-126,427,313.55-38,823,269.30

Finding the Fourth Proportional to 84,340,862.90, 126,427,313.55 and 38,823,269.30

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Solution

The fourth proportional to 84,340,862.90, 126,427,313.55 and 38,823,269.30 is: 58,196,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340,862.90 : 126,427,313.55 = 38,823,269.30 : x
  2. Step 2: Convert to fraction form
    84,340,862.90/126,427,313.55 = 38,823,269.30/x
  3. Step 3: Cross multiply
    84,340,862.90x = 126,427,313.55 × 38,823,269.30
  4. Step 4: Simplify right side
    84,340,862.90x = 4,908,321,640,827,189
  5. Step 5: Solve for x
    x = 4,908,321,640,827,189/84,340,862.90
  6. Step 6: Final answer
    x = 58,196,246.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.