Home / 189,918,693.43-262,087,796.81-102,998,565.43

Finding the Fourth Proportional to 189,918,693.43, 262,087,796.81 and 102,998,565.43

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Solution

The fourth proportional to 189,918,693.43, 262,087,796.81 and 102,998,565.43 is: 142,138,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,918,693.43 : 262,087,796.81 = 102,998,565.43 : x
  2. Step 2: Convert to fraction form
    189,918,693.43/262,087,796.81 = 102,998,565.43/x
  3. Step 3: Cross multiply
    189,918,693.43x = 262,087,796.81 × 102,998,565.43
  4. Step 4: Simplify right side
    189,918,693.43x = 26,994,667,087,741,604
  5. Step 5: Solve for x
    x = 26,994,667,087,741,604/189,918,693.43
  6. Step 6: Final answer
    x = 142,138,020.23

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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.