Home / 84,456,069.30-126,684,103.95-52,002,738.90

Finding the Fourth Proportional to 84,456,069.30, 126,684,103.95 and 52,002,738.90

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Solution

The fourth proportional to 84,456,069.30, 126,684,103.95 and 52,002,738.90 is: 78,004,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,456,069.30 : 126,684,103.95 = 52,002,738.90 : x
  2. Step 2: Convert to fraction form
    84,456,069.30/126,684,103.95 = 52,002,738.90/x
  3. Step 3: Cross multiply
    84,456,069.30x = 126,684,103.95 × 52,002,738.90
  4. Step 4: Simplify right side
    84,456,069.30x = 6,587,920,380,492,309
  5. Step 5: Solve for x
    x = 6,587,920,380,492,309/84,456,069.30
  6. Step 6: Final answer
    x = 78,004,108.35

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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.