Home / 106,286,871.10-159,430,306.65-67,991,626.30

Finding the Fourth Proportional to 106,286,871.10, 159,430,306.65 and 67,991,626.30

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Solution

The fourth proportional to 106,286,871.10, 159,430,306.65 and 67,991,626.30 is: 101,987,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,286,871.10 : 159,430,306.65 = 67,991,626.30 : x
  2. Step 2: Convert to fraction form
    106,286,871.10/159,430,306.65 = 67,991,626.30/x
  3. Step 3: Cross multiply
    106,286,871.10x = 159,430,306.65 × 67,991,626.30
  4. Step 4: Simplify right side
    106,286,871.10x = 10,839,925,830,641,204
  5. Step 5: Solve for x
    x = 10,839,925,830,641,204/106,286,871.10
  6. Step 6: Final answer
    x = 101,987,439.45

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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.