Home / 99,664,389.80-149,496,584.70-74,155,221.80

Finding the Fourth Proportional to 99,664,389.80, 149,496,584.70 and 74,155,221.80

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Solution

The fourth proportional to 99,664,389.80, 149,496,584.70 and 74,155,221.80 is: 111,232,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664,389.80 : 149,496,584.70 = 74,155,221.80 : x
  2. Step 2: Convert to fraction form
    99,664,389.80/149,496,584.70 = 74,155,221.80/x
  3. Step 3: Cross multiply
    99,664,389.80x = 149,496,584.70 × 74,155,221.80
  4. Step 4: Simplify right side
    99,664,389.80x = 11,085,952,396,770,986
  5. Step 5: Solve for x
    x = 11,085,952,396,770,986/99,664,389.80
  6. Step 6: Final answer
    x = 111,232,832.70

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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.