Home / 130,297,839.70-195,446,759.55-99,686,838.10

Finding the Fourth Proportional to 130,297,839.70, 195,446,759.55 and 99,686,838.10

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Solution

The fourth proportional to 130,297,839.70, 195,446,759.55 and 99,686,838.10 is: 149,530,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,297,839.70 : 195,446,759.55 = 99,686,838.10 : x
  2. Step 2: Convert to fraction form
    130,297,839.70/195,446,759.55 = 99,686,838.10/x
  3. Step 3: Cross multiply
    130,297,839.70x = 195,446,759.55 × 99,686,838.10
  4. Step 4: Simplify right side
    130,297,839.70x = 19,483,469,476,430,480
  5. Step 5: Solve for x
    x = 19,483,469,476,430,480/130,297,839.70
  6. Step 6: Final answer
    x = 149,530,257.15

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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.