Home / 248,247,258.12-342,581,214.85-143,885,863.73

Finding the Fourth Proportional to 248,247,258.12, 342,581,214.85 and 143,885,863.73

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Solution

The fourth proportional to 248,247,258.12, 342,581,214.85 and 143,885,863.73 is: 198,562,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247,258.12 : 342,581,214.85 = 143,885,863.73 : x
  2. Step 2: Convert to fraction form
    248,247,258.12/342,581,214.85 = 143,885,863.73/x
  3. Step 3: Cross multiply
    248,247,258.12x = 342,581,214.85 × 143,885,863.73
  4. Step 4: Simplify right side
    248,247,258.12x = 49,292,593,996,861,688
  5. Step 5: Solve for x
    x = 49,292,593,996,861,688/248,247,258.12
  6. Step 6: Final answer
    x = 198,562,491.16

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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.