Home / 279,084,346.56-418,594,631.76-74,628,365.04

Finding the Fourth Proportional to 279,084,346.56, 418,594,631.76 and 74,628,365.04

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Solution

The fourth proportional to 279,084,346.56, 418,594,631.76 and 74,628,365.04 is: 111,934,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,084,346.56 : 418,594,631.76 = 74,628,365.04 : x
  2. Step 2: Convert to fraction form
    279,084,346.56/418,594,631.76 = 74,628,365.04/x
  3. Step 3: Cross multiply
    279,084,346.56x = 418,594,631.76 × 74,628,365.04
  4. Step 4: Simplify right side
    279,084,346.56x = 31,239,032,982,769,660
  5. Step 5: Solve for x
    x = 31,239,032,982,769,660/279,084,346.56
  6. Step 6: Final answer
    x = 111,934,020.55

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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.