Home / 251,659,615.73-377,502,875.66-79,149,881.32

Finding the Fourth Proportional to 251,659,615.73, 377,502,875.66 and 79,149,881.32

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Solution

The fourth proportional to 251,659,615.73, 377,502,875.66 and 79,149,881.32 is: 118,729,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659,615.73 : 377,502,875.66 = 79,149,881.32 : x
  2. Step 2: Convert to fraction form
    251,659,615.73/377,502,875.66 = 79,149,881.32/x
  3. Step 3: Cross multiply
    251,659,615.73x = 377,502,875.66 × 79,149,881.32
  4. Step 4: Simplify right side
    251,659,615.73x = 29,879,307,805,701,836
  5. Step 5: Solve for x
    x = 29,879,307,805,701,836/251,659,615.73
  6. Step 6: Final answer
    x = 118,729,052.81

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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.