Home / 270,683,976.56-373,534,220.92-153,206,784.30

Finding the Fourth Proportional to 270,683,976.56, 373,534,220.92 and 153,206,784.30

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Solution

The fourth proportional to 270,683,976.56, 373,534,220.92 and 153,206,784.30 is: 211,419,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,683,976.56 : 373,534,220.92 = 153,206,784.30 : x
  2. Step 2: Convert to fraction form
    270,683,976.56/373,534,220.92 = 153,206,784.30/x
  3. Step 3: Cross multiply
    270,683,976.56x = 373,534,220.92 × 153,206,784.30
  4. Step 4: Simplify right side
    270,683,976.56x = 57,227,976,813,158,992
  5. Step 5: Solve for x
    x = 57,227,976,813,158,992/270,683,976.56
  6. Step 6: Final answer
    x = 211,419,890.98

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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.