Home / 277,793,146.67-416,649,157.83-81,003,678.26

Finding the Fourth Proportional to 277,793,146.67, 416,649,157.83 and 81,003,678.26

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Solution

The fourth proportional to 277,793,146.67, 416,649,157.83 and 81,003,678.26 is: 121,493,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,793,146.67 : 416,649,157.83 = 81,003,678.26 : x
  2. Step 2: Convert to fraction form
    277,793,146.67/416,649,157.83 = 81,003,678.26/x
  3. Step 3: Cross multiply
    277,793,146.67x = 416,649,157.83 × 81,003,678.26
  4. Step 4: Simplify right side
    277,793,146.67x = 33,750,114,326,078,032
  5. Step 5: Solve for x
    x = 33,750,114,326,078,032/277,793,146.67
  6. Step 6: Final answer
    x = 121,493,689.57

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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.