Home / 106,434,005.20-159,651,007.80-38,267,839.60

Finding the Fourth Proportional to 106,434,005.20, 159,651,007.80 and 38,267,839.60

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Solution

The fourth proportional to 106,434,005.20, 159,651,007.80 and 38,267,839.60 is: 57,401,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434,005.20 : 159,651,007.80 = 38,267,839.60 : x
  2. Step 2: Convert to fraction form
    106,434,005.20/159,651,007.80 = 38,267,839.60/x
  3. Step 3: Cross multiply
    106,434,005.20x = 159,651,007.80 × 38,267,839.60
  4. Step 4: Simplify right side
    106,434,005.20x = 6,109,499,158,468,750
  5. Step 5: Solve for x
    x = 6,109,499,158,468,750/106,434,005.20
  6. Step 6: Final answer
    x = 57,401,759.40

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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.