Home / 103,422,172.70-155,133,259.05-60,340,022.30

Finding the Fourth Proportional to 103,422,172.70, 155,133,259.05 and 60,340,022.30

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Solution

The fourth proportional to 103,422,172.70, 155,133,259.05 and 60,340,022.30 is: 90,510,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,422,172.70 : 155,133,259.05 = 60,340,022.30 : x
  2. Step 2: Convert to fraction form
    103,422,172.70/155,133,259.05 = 60,340,022.30/x
  3. Step 3: Cross multiply
    103,422,172.70x = 155,133,259.05 × 60,340,022.30
  4. Step 4: Simplify right side
    103,422,172.70x = 9,360,744,310,548,678
  5. Step 5: Solve for x
    x = 9,360,744,310,548,678/103,422,172.70
  6. Step 6: Final answer
    x = 90,510,033.45

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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.