Home / 266,112,034.40-399,168,051.60-188,627,936.60

Finding the Fourth Proportional to 266,112,034.40, 399,168,051.60 and 188,627,936.60

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Solution

The fourth proportional to 266,112,034.40, 399,168,051.60 and 188,627,936.60 is: 282,941,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,034.40 : 399,168,051.60 = 188,627,936.60 : x
  2. Step 2: Convert to fraction form
    266,112,034.40/399,168,051.60 = 188,627,936.60/x
  3. Step 3: Cross multiply
    266,112,034.40x = 399,168,051.60 × 188,627,936.60
  4. Step 4: Simplify right side
    266,112,034.40x = 75,294,245,929,950,336
  5. Step 5: Solve for x
    x = 75,294,245,929,950,336/266,112,034.40
  6. Step 6: Final answer
    x = 282,941,904.90

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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.