Home / 106,286,865.60-159,430,298.40-67,991,620.80

Finding the Fourth Proportional to 106,286,865.60, 159,430,298.40 and 67,991,620.80

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Solution

The fourth proportional to 106,286,865.60, 159,430,298.40 and 67,991,620.80 is: 101,987,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,286,865.60 : 159,430,298.40 = 67,991,620.80 : x
  2. Step 2: Convert to fraction form
    106,286,865.60/159,430,298.40 = 67,991,620.80/x
  3. Step 3: Cross multiply
    106,286,865.60x = 159,430,298.40 × 67,991,620.80
  4. Step 4: Simplify right side
    106,286,865.60x = 10,839,924,392,843,646
  5. Step 5: Solve for x
    x = 10,839,924,392,843,646/106,286,865.60
  6. Step 6: Final answer
    x = 101,987,431.20

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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.