Home / 92,947,260.80-139,420,891.20-71,490,166.40

Finding the Fourth Proportional to 92,947,260.80, 139,420,891.20 and 71,490,166.40

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Solution

The fourth proportional to 92,947,260.80, 139,420,891.20 and 71,490,166.40 is: 107,235,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,947,260.80 : 139,420,891.20 = 71,490,166.40 : x
  2. Step 2: Convert to fraction form
    92,947,260.80/139,420,891.20 = 71,490,166.40/x
  3. Step 3: Cross multiply
    92,947,260.80x = 139,420,891.20 × 71,490,166.40
  4. Step 4: Simplify right side
    92,947,260.80x = 9,967,222,711,524,296
  5. Step 5: Solve for x
    x = 9,967,222,711,524,296/92,947,260.80
  6. Step 6: Final answer
    x = 107,235,249.60

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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.