Home / 103,143,991.36-154,662,744.24-30,351,311.68

Finding the Fourth Proportional to 103,143,991.36, 154,662,744.24 and 30,351,311.68

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Solution

The fourth proportional to 103,143,991.36, 154,662,744.24 and 30,351,311.68 is: 45,511,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,143,991.36 : 154,662,744.24 = 30,351,311.68 : x
  2. Step 2: Convert to fraction form
    103,143,991.36/154,662,744.24 = 30,351,311.68/x
  3. Step 3: Cross multiply
    103,143,991.36x = 154,662,744.24 × 30,351,311.68
  4. Step 4: Simplify right side
    103,143,991.36x = 4,694,217,155,712,365
  5. Step 5: Solve for x
    x = 4,694,217,155,712,365/103,143,991.36
  6. Step 6: Final answer
    x = 45,511,300.21

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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.