Home / 92,934,493.20-139,401,739.80-82,890,258.30

Finding the Fourth Proportional to 92,934,493.20, 139,401,739.80 and 82,890,258.30

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Solution

The fourth proportional to 92,934,493.20, 139,401,739.80 and 82,890,258.30 is: 124,335,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934,493.20 : 139,401,739.80 = 82,890,258.30 : x
  2. Step 2: Convert to fraction form
    92,934,493.20/139,401,739.80 = 82,890,258.30/x
  3. Step 3: Cross multiply
    92,934,493.20x = 139,401,739.80 × 82,890,258.30
  4. Step 4: Simplify right side
    92,934,493.20x = 11,555,046,219,491,390
  5. Step 5: Solve for x
    x = 11,555,046,219,491,390/92,934,493.20
  6. Step 6: Final answer
    x = 124,335,387.45

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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.