Home / 248,886,129.78-343,411,581.33-143,019,096.66

Finding the Fourth Proportional to 248,886,129.78, 343,411,581.33 and 143,019,096.66

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Solution

The fourth proportional to 248,886,129.78, 343,411,581.33 and 143,019,096.66 is: 197,336,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,886,129.78 : 343,411,581.33 = 143,019,096.66 : x
  2. Step 2: Convert to fraction form
    248,886,129.78/343,411,581.33 = 143,019,096.66/x
  3. Step 3: Cross multiply
    248,886,129.78x = 343,411,581.33 × 143,019,096.66
  4. Step 4: Simplify right side
    248,886,129.78x = 49,114,414,144,398,720
  5. Step 5: Solve for x
    x = 49,114,414,144,398,720/248,886,129.78
  6. Step 6: Final answer
    x = 197,336,887.31

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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.