Home / 266,070,640.80-399,105,961.20-175,296,727.20

Finding the Fourth Proportional to 266,070,640.80, 399,105,961.20 and 175,296,727.20

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Solution

The fourth proportional to 266,070,640.80, 399,105,961.20 and 175,296,727.20 is: 262,945,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,070,640.80 : 399,105,961.20 = 175,296,727.20 : x
  2. Step 2: Convert to fraction form
    266,070,640.80/399,105,961.20 = 175,296,727.20/x
  3. Step 3: Cross multiply
    266,070,640.80x = 399,105,961.20 × 175,296,727.20
  4. Step 4: Simplify right side
    266,070,640.80x = 69,961,968,804,370,176
  5. Step 5: Solve for x
    x = 69,961,968,804,370,176/266,070,640.80
  6. Step 6: Final answer
    x = 262,945,090.80

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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.