Home / 266,193,615.20-399,290,422.80-122,866,383.20

Finding the Fourth Proportional to 266,193,615.20, 399,290,422.80 and 122,866,383.20

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Solution

The fourth proportional to 266,193,615.20, 399,290,422.80 and 122,866,383.20 is: 184,299,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,193,615.20 : 399,290,422.80 = 122,866,383.20 : x
  2. Step 2: Convert to fraction form
    266,193,615.20/399,290,422.80 = 122,866,383.20/x
  3. Step 3: Cross multiply
    266,193,615.20x = 399,290,422.80 × 122,866,383.20
  4. Step 4: Simplify right side
    266,193,615.20x = 49,059,370,095,834,816
  5. Step 5: Solve for x
    x = 49,059,370,095,834,816/266,193,615.20
  6. Step 6: Final answer
    x = 184,299,574.80

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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.