Home / 82,944,090.30-124,416,135.45-79,584,858.30

Finding the Fourth Proportional to 82,944,090.30, 124,416,135.45 and 79,584,858.30

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Solution

The fourth proportional to 82,944,090.30, 124,416,135.45 and 79,584,858.30 is: 119,377,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,090.30 : 124,416,135.45 = 79,584,858.30 : x
  2. Step 2: Convert to fraction form
    82,944,090.30/124,416,135.45 = 79,584,858.30/x
  3. Step 3: Cross multiply
    82,944,090.30x = 124,416,135.45 × 79,584,858.30
  4. Step 4: Simplify right side
    82,944,090.30x = 9,901,640,510,021,856
  5. Step 5: Solve for x
    x = 9,901,640,510,021,856/82,944,090.30
  6. Step 6: Final answer
    x = 119,377,287.45

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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.