Home / 82,944,006.40-124,416,009.60-57,377,900.80

Finding the Fourth Proportional to 82,944,006.40, 124,416,009.60 and 57,377,900.80

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Solution

The fourth proportional to 82,944,006.40, 124,416,009.60 and 57,377,900.80 is: 86,066,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,006.40 : 124,416,009.60 = 57,377,900.80 : x
  2. Step 2: Convert to fraction form
    82,944,006.40/124,416,009.60 = 57,377,900.80/x
  3. Step 3: Cross multiply
    82,944,006.40x = 124,416,009.60 × 57,377,900.80
  4. Step 4: Simplify right side
    82,944,006.40x = 7,138,729,456,760,647
  5. Step 5: Solve for x
    x = 7,138,729,456,760,647/82,944,006.40
  6. Step 6: Final answer
    x = 86,066,851.20

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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.