Home / 248,247,258.48-342,581,215.24-143,885,864.08

Finding the Fourth Proportional to 248,247,258.48, 342,581,215.24 and 143,885,864.08

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Solution

The fourth proportional to 248,247,258.48, 342,581,215.24 and 143,885,864.08 is: 198,562,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247,258.48 : 342,581,215.24 = 143,885,864.08 : x
  2. Step 2: Convert to fraction form
    248,247,258.48/342,581,215.24 = 143,885,864.08/x
  3. Step 3: Cross multiply
    248,247,258.48x = 342,581,215.24 × 143,885,864.08
  4. Step 4: Simplify right side
    248,247,258.48x = 49,292,594,172,383,872
  5. Step 5: Solve for x
    x = 49,292,594,172,383,872/248,247,258.48
  6. Step 6: Final answer
    x = 198,562,491.58

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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.