Home / 76,804,904.20-115,207,356.30-50,976,871.60

Finding the Fourth Proportional to 76,804,904.20, 115,207,356.30 and 50,976,871.60

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Solution

The fourth proportional to 76,804,904.20, 115,207,356.30 and 50,976,871.60 is: 76,465,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804,904.20 : 115,207,356.30 = 50,976,871.60 : x
  2. Step 2: Convert to fraction form
    76,804,904.20/115,207,356.30 = 50,976,871.60/x
  3. Step 3: Cross multiply
    76,804,904.20x = 115,207,356.30 × 50,976,871.60
  4. Step 4: Simplify right side
    76,804,904.20x = 5,872,910,609,480,551
  5. Step 5: Solve for x
    x = 5,872,910,609,480,551/76,804,904.20
  6. Step 6: Final answer
    x = 76,465,307.40

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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.