Home / 266,950,419.40-400,425,629.10-193,824,137.80

Finding the Fourth Proportional to 266,950,419.40, 400,425,629.10 and 193,824,137.80

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Solution

The fourth proportional to 266,950,419.40, 400,425,629.10 and 193,824,137.80 is: 290,736,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,950,419.40 : 400,425,629.10 = 193,824,137.80 : x
  2. Step 2: Convert to fraction form
    266,950,419.40/400,425,629.10 = 193,824,137.80/x
  3. Step 3: Cross multiply
    266,950,419.40x = 400,425,629.10 × 193,824,137.80
  4. Step 4: Simplify right side
    266,950,419.40x = 77,612,152,313,330,096
  5. Step 5: Solve for x
    x = 77,612,152,313,330,096/266,950,419.40
  6. Step 6: Final answer
    x = 290,736,206.70

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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.