Home / 62,768,799.04-86,659,587.84-49,768,571.20

Finding the Fourth Proportional to 62,768,799.04, 86,659,587.84 and 49,768,571.20

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Solution

The fourth proportional to 62,768,799.04, 86,659,587.84 and 49,768,571.20 is: 68,711,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768,799.04 : 86,659,587.84 = 49,768,571.20 : x
  2. Step 2: Convert to fraction form
    62,768,799.04/86,659,587.84 = 49,768,571.20/x
  3. Step 3: Cross multiply
    62,768,799.04x = 86,659,587.84 × 49,768,571.20
  4. Step 4: Simplify right side
    62,768,799.04x = 4,312,923,867,577,694.50
  5. Step 5: Solve for x
    x = 4,312,923,867,577,694.50/62,768,799.04
  6. Step 6: Final answer
    x = 68,711,269.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.