Home / 248,247,286.85-342,581,254.57-143,885,892.63

Finding the Fourth Proportional to 248,247,286.85, 342,581,254.57 and 143,885,892.63

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Solution

The fourth proportional to 248,247,286.85, 342,581,254.57 and 143,885,892.63 is: 198,562,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247,286.85 : 342,581,254.57 = 143,885,892.63 : x
  2. Step 2: Convert to fraction form
    248,247,286.85/342,581,254.57 = 143,885,892.63/x
  3. Step 3: Cross multiply
    248,247,286.85x = 342,581,254.57 × 143,885,892.63
  4. Step 4: Simplify right side
    248,247,286.85x = 49,292,609,613,574,256
  5. Step 5: Solve for x
    x = 49,292,609,613,574,256/248,247,286.85
  6. Step 6: Final answer
    x = 198,562,531.09

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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.