Home / 212,179,086.79-318,268,712.19-95,458,134.07

Finding the Fourth Proportional to 212,179,086.79, 318,268,712.19 and 95,458,134.07

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Solution

The fourth proportional to 212,179,086.79, 318,268,712.19 and 95,458,134.07 is: 143,187,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,179,086.79 : 318,268,712.19 = 95,458,134.07 : x
  2. Step 2: Convert to fraction form
    212,179,086.79/318,268,712.19 = 95,458,134.07/x
  3. Step 3: Cross multiply
    212,179,086.79x = 318,268,712.19 × 95,458,134.07
  4. Step 4: Simplify right side
    212,179,086.79x = 30,381,337,399,275,072
  5. Step 5: Solve for x
    x = 30,381,337,399,275,072/212,179,086.79
  6. Step 6: Final answer
    x = 143,187,238.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.