Home / 121,279,285.80-181,926,801.90-63,883,657.80

Finding the Fourth Proportional to 121,279,285.80, 181,926,801.90 and 63,883,657.80

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Solution

The fourth proportional to 121,279,285.80, 181,926,801.90 and 63,883,657.80 is: 95,829,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,285.80 : 181,926,801.90 = 63,883,657.80 : x
  2. Step 2: Convert to fraction form
    121,279,285.80/181,926,801.90 = 63,883,657.80/x
  3. Step 3: Cross multiply
    121,279,285.80x = 181,926,801.90 × 63,883,657.80
  4. Step 4: Simplify right side
    121,279,285.80x = 11,622,149,557,227,990
  5. Step 5: Solve for x
    x = 11,622,149,557,227,990/121,279,285.80
  6. Step 6: Final answer
    x = 95,829,633.89

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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.