Home / 76,746,357.78-115,179,233.61-53,566,707.54

Finding the Fourth Proportional to 76,746,357.78, 115,179,233.61 and 53,566,707.54

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Solution

The fourth proportional to 76,746,357.78, 115,179,233.61 and 53,566,707.54 is: 80,391,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,357.78 : 115,179,233.61 = 53,566,707.54 : x
  2. Step 2: Convert to fraction form
    76,746,357.78/115,179,233.61 = 53,566,707.54/x
  3. Step 3: Cross multiply
    76,746,357.78x = 115,179,233.61 × 53,566,707.54
  4. Step 4: Simplify right side
    76,746,357.78x = 6,169,772,321,468,208
  5. Step 5: Solve for x
    x = 6,169,772,321,468,208/76,746,357.78
  6. Step 6: Final answer
    x = 80,391,728.02

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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.