Home / 121,279,278.80-181,926,791.40-63,883,650.80

Finding the Fourth Proportional to 121,279,278.80, 181,926,791.40 and 63,883,650.80

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Solution

The fourth proportional to 121,279,278.80, 181,926,791.40 and 63,883,650.80 is: 95,829,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,278.80 : 181,926,791.40 = 63,883,650.80 : x
  2. Step 2: Convert to fraction form
    121,279,278.80/181,926,791.40 = 63,883,650.80/x
  3. Step 3: Cross multiply
    121,279,278.80x = 181,926,791.40 × 63,883,650.80
  4. Step 4: Simplify right side
    121,279,278.80x = 11,622,147,612,962,042
  5. Step 5: Solve for x
    x = 11,622,147,612,962,042/121,279,278.80
  6. Step 6: Final answer
    x = 95,829,623.39

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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.