Home / 250,376,828.79-345,120,930.32-197,367,148.29

Finding the Fourth Proportional to 250,376,828.79, 345,120,930.32 and 197,367,148.29

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Solution

The fourth proportional to 250,376,828.79, 345,120,930.32 and 197,367,148.29 is: 272,052,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,376,828.79 : 345,120,930.32 = 197,367,148.29 : x
  2. Step 2: Convert to fraction form
    250,376,828.79/345,120,930.32 = 197,367,148.29/x
  3. Step 3: Cross multiply
    250,376,828.79x = 345,120,930.32 × 197,367,148.29
  4. Step 4: Simplify right side
    250,376,828.79x = 68,115,533,831,463,360
  5. Step 5: Solve for x
    x = 68,115,533,831,463,360/250,376,828.79
  6. Step 6: Final answer
    x = 272,052,067.12

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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.