Home / 106,286,872.60-159,430,308.90-67,991,627.80

Finding the Fourth Proportional to 106,286,872.60, 159,430,308.90 and 67,991,627.80

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Solution

The fourth proportional to 106,286,872.60, 159,430,308.90 and 67,991,627.80 is: 101,987,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,286,872.60 : 159,430,308.90 = 67,991,627.80 : x
  2. Step 2: Convert to fraction form
    106,286,872.60/159,430,308.90 = 67,991,627.80/x
  3. Step 3: Cross multiply
    106,286,872.60x = 159,430,308.90 × 67,991,627.80
  4. Step 4: Simplify right side
    106,286,872.60x = 10,839,926,222,767,828
  5. Step 5: Solve for x
    x = 10,839,926,222,767,828/106,286,872.60
  6. Step 6: Final answer
    x = 101,987,441.70

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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.