Home / 60,687,682.20-91,031,523.30-60,309,768.60

Finding the Fourth Proportional to 60,687,682.20, 91,031,523.30 and 60,309,768.60

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Solution

The fourth proportional to 60,687,682.20, 91,031,523.30 and 60,309,768.60 is: 90,464,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687,682.20 : 91,031,523.30 = 60,309,768.60 : x
  2. Step 2: Convert to fraction form
    60,687,682.20/91,031,523.30 = 60,309,768.60/x
  3. Step 3: Cross multiply
    60,687,682.20x = 91,031,523.30 × 60,309,768.60
  4. Step 4: Simplify right side
    60,687,682.20x = 5,490,090,105,528,508
  5. Step 5: Solve for x
    x = 5,490,090,105,528,508/60,687,682.20
  6. Step 6: Final answer
    x = 90,464,652.90

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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.