Home / 126,036,161.10-189,054,241.65-30,298,049.10

Finding the Fourth Proportional to 126,036,161.10, 189,054,241.65 and 30,298,049.10

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Solution

The fourth proportional to 126,036,161.10, 189,054,241.65 and 30,298,049.10 is: 45,447,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,161.10 : 189,054,241.65 = 30,298,049.10 : x
  2. Step 2: Convert to fraction form
    126,036,161.10/189,054,241.65 = 30,298,049.10/x
  3. Step 3: Cross multiply
    126,036,161.10x = 189,054,241.65 × 30,298,049.10
  4. Step 4: Simplify right side
    126,036,161.10x = 5,727,974,696,074,965
  5. Step 5: Solve for x
    x = 5,727,974,696,074,965/126,036,161.10
  6. Step 6: Final answer
    x = 45,447,073.65

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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.