Home / 279,058,880.91-418,588,321.23-104,195,570.81

Finding the Fourth Proportional to 279,058,880.91, 418,588,321.23 and 104,195,570.81

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Solution

The fourth proportional to 279,058,880.91, 418,588,321.23 and 104,195,570.81 is: 156,293,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,058,880.91 : 418,588,321.23 = 104,195,570.81 : x
  2. Step 2: Convert to fraction form
    279,058,880.91/418,588,321.23 = 104,195,570.81/x
  3. Step 3: Cross multiply
    279,058,880.91x = 418,588,321.23 × 104,195,570.81
  4. Step 4: Simplify right side
    279,058,880.91x = 43,615,049,066,005,968
  5. Step 5: Solve for x
    x = 43,615,049,066,005,968/279,058,880.91
  6. Step 6: Final answer
    x = 156,293,356.17

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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.