Home / 251,659,657.89-377,502,939-79,149,923.55

Finding the Fourth Proportional to 251,659,657.89, 377,502,939 and 79,149,923.55

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Solution

The fourth proportional to 251,659,657.89, 377,502,939 and 79,149,923.55 is: 118,729,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659,657.89 : 377,502,939 = 79,149,923.55 : x
  2. Step 2: Convert to fraction form
    251,659,657.89/377,502,939 = 79,149,923.55/x
  3. Step 3: Cross multiply
    251,659,657.89x = 377,502,939 × 79,149,923.55
  4. Step 4: Simplify right side
    251,659,657.89x = 29,879,328,761,750,312
  5. Step 5: Solve for x
    x = 29,879,328,761,750,312/251,659,657.89
  6. Step 6: Final answer
    x = 118,729,116.19

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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.