Home / 391,034,122.80-586,881,858.60-161,168,175.60

Finding the Fourth Proportional to 391,034,122.80, 586,881,858.60 and 161,168,175.60

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Solution

The fourth proportional to 391,034,122.80, 586,881,858.60 and 161,168,175.60 is: 241,888,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,034,122.80 : 586,881,858.60 = 161,168,175.60 : x
  2. Step 2: Convert to fraction form
    391,034,122.80/586,881,858.60 = 161,168,175.60/x
  3. Step 3: Cross multiply
    391,034,122.80x = 586,881,858.60 × 161,168,175.60
  4. Step 4: Simplify right side
    391,034,122.80x = 94,586,678,443,299,168
  5. Step 5: Solve for x
    x = 94,586,678,443,299,168/391,034,122.80
  6. Step 6: Final answer
    x = 241,888,553.78

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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.