Home / 167,781,696.56-251,657,016.51-79,129,939.92

Finding the Fourth Proportional to 167,781,696.56, 251,657,016.51 and 79,129,939.92

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Solution

The fourth proportional to 167,781,696.56, 251,657,016.51 and 79,129,939.92 is: 118,687,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,781,696.56 : 251,657,016.51 = 79,129,939.92 : x
  2. Step 2: Convert to fraction form
    167,781,696.56/251,657,016.51 = 79,129,939.92/x
  3. Step 3: Cross multiply
    167,781,696.56x = 251,657,016.51 × 79,129,939.92
  4. Step 4: Simplify right side
    167,781,696.56x = 19,913,604,596,235,772
  5. Step 5: Solve for x
    x = 19,913,604,596,235,772/167,781,696.56
  6. Step 6: Final answer
    x = 118,687,586.33

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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.