Home / 99,979,738.36-149,930,835.66-34,388,404.40

Finding the Fourth Proportional to 99,979,738.36, 149,930,835.66 and 34,388,404.40

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Solution

The fourth proportional to 99,979,738.36, 149,930,835.66 and 34,388,404.40 is: 51,569,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,979,738.36 : 149,930,835.66 = 34,388,404.40 : x
  2. Step 2: Convert to fraction form
    99,979,738.36/149,930,835.66 = 34,388,404.40/x
  3. Step 3: Cross multiply
    99,979,738.36x = 149,930,835.66 × 34,388,404.40
  4. Step 4: Simplify right side
    99,979,738.36x = 5,155,882,208,706,021
  5. Step 5: Solve for x
    x = 5,155,882,208,706,021/99,979,738.36
  6. Step 6: Final answer
    x = 51,569,270.87

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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.