Home / 103,422,169.20-155,133,253.80-60,340,018.80

Finding the Fourth Proportional to 103,422,169.20, 155,133,253.80 and 60,340,018.80

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Solution

The fourth proportional to 103,422,169.20, 155,133,253.80 and 60,340,018.80 is: 90,510,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,422,169.20 : 155,133,253.80 = 60,340,018.80 : x
  2. Step 2: Convert to fraction form
    103,422,169.20/155,133,253.80 = 60,340,018.80/x
  3. Step 3: Cross multiply
    103,422,169.20x = 155,133,253.80 × 60,340,018.80
  4. Step 4: Simplify right side
    103,422,169.20x = 9,360,743,450,797,172
  5. Step 5: Solve for x
    x = 9,360,743,450,797,172/103,422,169.20
  6. Step 6: Final answer
    x = 90,510,028.20

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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.