Home / 277,793,049.42-416,649,012.06-81,003,581.31

Finding the Fourth Proportional to 277,793,049.42, 416,649,012.06 and 81,003,581.31

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Solution

The fourth proportional to 277,793,049.42, 416,649,012.06 and 81,003,581.31 is: 121,493,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,793,049.42 : 416,649,012.06 = 81,003,581.31 : x
  2. Step 2: Convert to fraction form
    277,793,049.42/416,649,012.06 = 81,003,581.31/x
  3. Step 3: Cross multiply
    277,793,049.42x = 416,649,012.06 × 81,003,581.31
  4. Step 4: Simplify right side
    277,793,049.42x = 33,750,062,127,999,580
  5. Step 5: Solve for x
    x = 33,750,062,127,999,580/277,793,049.42
  6. Step 6: Final answer
    x = 121,493,544.20

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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.