Home / 76,804,920.20-115,207,380.30-50,976,887.60

Finding the Fourth Proportional to 76,804,920.20, 115,207,380.30 and 50,976,887.60

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Solution

The fourth proportional to 76,804,920.20, 115,207,380.30 and 50,976,887.60 is: 76,465,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804,920.20 : 115,207,380.30 = 50,976,887.60 : x
  2. Step 2: Convert to fraction form
    76,804,920.20/115,207,380.30 = 50,976,887.60/x
  3. Step 3: Cross multiply
    76,804,920.20x = 115,207,380.30 × 50,976,887.60
  4. Step 4: Simplify right side
    76,804,920.20x = 5,872,913,676,243,554
  5. Step 5: Solve for x
    x = 5,872,913,676,243,554/76,804,920.20
  6. Step 6: Final answer
    x = 76,465,331.40

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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.