Home / 171,974,777.85-257,707,074.96-126,313,367.13

Finding the Fourth Proportional to 171,974,777.85, 257,707,074.96 and 126,313,367.13

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Solution

The fourth proportional to 171,974,777.85, 257,707,074.96 and 126,313,367.13 is: 189,282,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,974,777.85 : 257,707,074.96 = 126,313,367.13 : x
  2. Step 2: Convert to fraction form
    171,974,777.85/257,707,074.96 = 126,313,367.13/x
  3. Step 3: Cross multiply
    171,974,777.85x = 257,707,074.96 × 126,313,367.13
  4. Step 4: Simplify right side
    171,974,777.85x = 32,551,848,371,420,908
  5. Step 5: Solve for x
    x = 32,551,848,371,420,908/171,974,777.85
  6. Step 6: Final answer
    x = 189,282,688.88

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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.