Home / 192,457,003.80-288,685,505.70-131,235,000.60

Finding the Fourth Proportional to 192,457,003.80, 288,685,505.70 and 131,235,000.60

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Solution

The fourth proportional to 192,457,003.80, 288,685,505.70 and 131,235,000.60 is: 196,852,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,003.80 : 288,685,505.70 = 131,235,000.60 : x
  2. Step 2: Convert to fraction form
    192,457,003.80/288,685,505.70 = 131,235,000.60/x
  3. Step 3: Cross multiply
    192,457,003.80x = 288,685,505.70 × 131,235,000.60
  4. Step 4: Simplify right side
    192,457,003.80x = 37,885,642,513,750,800
  5. Step 5: Solve for x
    x = 37,885,642,513,750,800/192,457,003.80
  6. Step 6: Final answer
    x = 196,852,500.90

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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.