Home / 79,902,721.17-119,859,396.17-28,081,056.33

Finding the Fourth Proportional to 79,902,721.17, 119,859,396.17 and 28,081,056.33

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Solution

The fourth proportional to 79,902,721.17, 119,859,396.17 and 28,081,056.33 is: 42,123,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,902,721.17 : 119,859,396.17 = 28,081,056.33 : x
  2. Step 2: Convert to fraction form
    79,902,721.17/119,859,396.17 = 28,081,056.33/x
  3. Step 3: Cross multiply
    79,902,721.17x = 119,859,396.17 × 28,081,056.33
  4. Step 4: Simplify right side
    79,902,721.17x = 3,365,778,455,389,151
  5. Step 5: Solve for x
    x = 3,365,778,455,389,151/79,902,721.17
  6. Step 6: Final answer
    x = 42,123,452.19

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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.