Home / 258,315,349.44-356,477,964.48-140,839,721.04

Finding the Fourth Proportional to 258,315,349.44, 356,477,964.48 and 140,839,721.04

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Solution

The fourth proportional to 258,315,349.44, 356,477,964.48 and 140,839,721.04 is: 194,360,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,315,349.44 : 356,477,964.48 = 140,839,721.04 : x
  2. Step 2: Convert to fraction form
    258,315,349.44/356,477,964.48 = 140,839,721.04/x
  3. Step 3: Cross multiply
    258,315,349.44x = 356,477,964.48 × 140,839,721.04
  4. Step 4: Simplify right side
    258,315,349.44x = 50,206,257,074,270,232
  5. Step 5: Solve for x
    x = 50,206,257,074,270,232/258,315,349.44
  6. Step 6: Final answer
    x = 194,360,331.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.