Home / 147,532,504.80-221,298,757.20-90,136,876.80

Finding the Fourth Proportional to 147,532,504.80, 221,298,757.20 and 90,136,876.80

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Solution

The fourth proportional to 147,532,504.80, 221,298,757.20 and 90,136,876.80 is: 135,205,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,532,504.80 : 221,298,757.20 = 90,136,876.80 : x
  2. Step 2: Convert to fraction form
    147,532,504.80/221,298,757.20 = 90,136,876.80/x
  3. Step 3: Cross multiply
    147,532,504.80x = 221,298,757.20 × 90,136,876.80
  4. Step 4: Simplify right side
    147,532,504.80x = 19,947,178,813,729,512
  5. Step 5: Solve for x
    x = 19,947,178,813,729,512/147,532,504.80
  6. Step 6: Final answer
    x = 135,205,315.20

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1.5x scale

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.