Home / 70,105,031.20-96,745,243.25-38,315,842.90

Finding the Fourth Proportional to 70,105,031.20, 96,745,243.25 and 38,315,842.90

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Solution

The fourth proportional to 70,105,031.20, 96,745,243.25 and 38,315,842.90 is: 52,876,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105,031.20 : 96,745,243.25 = 38,315,842.90 : x
  2. Step 2: Convert to fraction form
    70,105,031.20/96,745,243.25 = 38,315,842.90/x
  3. Step 3: Cross multiply
    70,105,031.20x = 96,745,243.25 × 38,315,842.90
  4. Step 4: Simplify right side
    70,105,031.20x = 3,706,875,542,074,625.50
  5. Step 5: Solve for x
    x = 3,706,875,542,074,625.50/70,105,031.20
  6. Step 6: Final answer
    x = 52,876,027.28

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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.