Home / 172,656,034.94-259,168,416.51-74,336,431.88

Finding the Fourth Proportional to 172,656,034.94, 259,168,416.51 and 74,336,431.88

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Solution

The fourth proportional to 172,656,034.94, 259,168,416.51 and 74,336,431.88 is: 111,584,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,656,034.94 : 259,168,416.51 = 74,336,431.88 : x
  2. Step 2: Convert to fraction form
    172,656,034.94/259,168,416.51 = 74,336,431.88/x
  3. Step 3: Cross multiply
    172,656,034.94x = 259,168,416.51 × 74,336,431.88
  4. Step 4: Simplify right side
    172,656,034.94x = 19,265,655,338,047,240
  5. Step 5: Solve for x
    x = 19,265,655,338,047,240/172,656,034.94
  6. Step 6: Final answer
    x = 111,584,025.11

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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.