Home / 192,490,003.80-288,735,005.70-149,491,834.20

Finding the Fourth Proportional to 192,490,003.80, 288,735,005.70 and 149,491,834.20

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Solution

The fourth proportional to 192,490,003.80, 288,735,005.70 and 149,491,834.20 is: 224,237,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,490,003.80 : 288,735,005.70 = 149,491,834.20 : x
  2. Step 2: Convert to fraction form
    192,490,003.80/288,735,005.70 = 149,491,834.20/x
  3. Step 3: Cross multiply
    192,490,003.80x = 288,735,005.70 × 149,491,834.20
  4. Step 4: Simplify right side
    192,490,003.80x = 43,163,525,599,840,448
  5. Step 5: Solve for x
    x = 43,163,525,599,840,448/192,490,003.80
  6. Step 6: Final answer
    x = 224,237,751.30

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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.