Home / 99,667,215.40-149,471,331.90-39,048,053.80

Finding the Fourth Proportional to 99,667,215.40, 149,471,331.90 and 39,048,053.80

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Solution

The fourth proportional to 99,667,215.40, 149,471,331.90 and 39,048,053.80 is: 58,560,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,667,215.40 : 149,471,331.90 = 39,048,053.80 : x
  2. Step 2: Convert to fraction form
    99,667,215.40/149,471,331.90 = 39,048,053.80/x
  3. Step 3: Cross multiply
    99,667,215.40x = 149,471,331.90 × 39,048,053.80
  4. Step 4: Simplify right side
    99,667,215.40x = 5,836,564,609,588,856
  5. Step 5: Solve for x
    x = 5,836,564,609,588,856/99,667,215.40
  6. Step 6: Final answer
    x = 58,560,526.51

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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.