Home / 126,372,516.30-189,579,769.65-49,698,045.90

Finding the Fourth Proportional to 126,372,516.30, 189,579,769.65 and 49,698,045.90

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Solution

The fourth proportional to 126,372,516.30, 189,579,769.65 and 49,698,045.90 is: 74,555,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372,516.30 : 189,579,769.65 = 49,698,045.90 : x
  2. Step 2: Convert to fraction form
    126,372,516.30/189,579,769.65 = 49,698,045.90/x
  3. Step 3: Cross multiply
    126,372,516.30x = 189,579,769.65 × 49,698,045.90
  4. Step 4: Simplify right side
    126,372,516.30x = 9,421,744,093,777,126
  5. Step 5: Solve for x
    x = 9,421,744,093,777,126/126,372,516.30
  6. Step 6: Final answer
    x = 74,555,325.55

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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.