Home / 258,613,772.90-356,840,015.90-152,784,418.46

Finding the Fourth Proportional to 258,613,772.90, 356,840,015.90 and 152,784,418.46

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Solution

The fourth proportional to 258,613,772.90, 356,840,015.90 and 152,784,418.46 is: 210,814,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,613,772.90 : 356,840,015.90 = 152,784,418.46 : x
  2. Step 2: Convert to fraction form
    258,613,772.90/356,840,015.90 = 152,784,418.46/x
  3. Step 3: Cross multiply
    258,613,772.90x = 356,840,015.90 × 152,784,418.46
  4. Step 4: Simplify right side
    258,613,772.90x = 54,519,594,309,990,536
  5. Step 5: Solve for x
    x = 54,519,594,309,990,536/258,613,772.90
  6. Step 6: Final answer
    x = 210,814,736.20

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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.