Home / 126,589,369.96-189,882,988.26-98,946,538.98

Finding the Fourth Proportional to 126,589,369.96, 189,882,988.26 and 98,946,538.98

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Solution

The fourth proportional to 126,589,369.96, 189,882,988.26 and 98,946,538.98 is: 148,418,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,589,369.96 : 189,882,988.26 = 98,946,538.98 : x
  2. Step 2: Convert to fraction form
    126,589,369.96/189,882,988.26 = 98,946,538.98/x
  3. Step 3: Cross multiply
    126,589,369.96x = 189,882,988.26 × 98,946,538.98
  4. Step 4: Simplify right side
    126,589,369.96x = 18,788,264,498,423,860
  5. Step 5: Solve for x
    x = 18,788,264,498,423,860/126,589,369.96
  6. Step 6: Final answer
    x = 148,418,974.71

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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.