Home / 262,656,087.40-393,984,131.10-165,910,205.80

Finding the Fourth Proportional to 262,656,087.40, 393,984,131.10 and 165,910,205.80

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Solution

The fourth proportional to 262,656,087.40, 393,984,131.10 and 165,910,205.80 is: 248,865,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,087.40 : 393,984,131.10 = 165,910,205.80 : x
  2. Step 2: Convert to fraction form
    262,656,087.40/393,984,131.10 = 165,910,205.80/x
  3. Step 3: Cross multiply
    262,656,087.40x = 393,984,131.10 × 165,910,205.80
  4. Step 4: Simplify right side
    262,656,087.40x = 65,365,988,272,735,192
  5. Step 5: Solve for x
    x = 65,365,988,272,735,192/262,656,087.40
  6. Step 6: Final answer
    x = 248,865,308.70

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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.