Home / 312,094,005.41-430,689,719.61-172,873,735.26

Finding the Fourth Proportional to 312,094,005.41, 430,689,719.61 and 172,873,735.26

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Solution

The fourth proportional to 312,094,005.41, 430,689,719.61 and 172,873,735.26 is: 238,565,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,094,005.41 : 430,689,719.61 = 172,873,735.26 : x
  2. Step 2: Convert to fraction form
    312,094,005.41/430,689,719.61 = 172,873,735.26/x
  3. Step 3: Cross multiply
    312,094,005.41x = 430,689,719.61 × 172,873,735.26
  4. Step 4: Simplify right side
    312,094,005.41x = 74,454,940,567,062,768
  5. Step 5: Solve for x
    x = 74,454,940,567,062,768/312,094,005.41
  6. Step 6: Final answer
    x = 238,565,750.31

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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.