Home / 103,615,998.31-143,002,616.68-58,972,825.34

Finding the Fourth Proportional to 103,615,998.31, 143,002,616.68 and 58,972,825.34

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Solution

The fourth proportional to 103,615,998.31, 143,002,616.68 and 58,972,825.34 is: 81,389,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,998.31 : 143,002,616.68 = 58,972,825.34 : x
  2. Step 2: Convert to fraction form
    103,615,998.31/143,002,616.68 = 58,972,825.34/x
  3. Step 3: Cross multiply
    103,615,998.31x = 143,002,616.68 × 58,972,825.34
  4. Step 4: Simplify right side
    103,615,998.31x = 8,433,268,336,632,612
  5. Step 5: Solve for x
    x = 8,433,268,336,632,612/103,615,998.31
  6. Step 6: Final answer
    x = 81,389,635.52

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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.