Home / 82,944,284.80-124,416,427.20-81,174,812.80

Finding the Fourth Proportional to 82,944,284.80, 124,416,427.20 and 81,174,812.80

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Solution

The fourth proportional to 82,944,284.80, 124,416,427.20 and 81,174,812.80 is: 121,762,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,284.80 : 124,416,427.20 = 81,174,812.80 : x
  2. Step 2: Convert to fraction form
    82,944,284.80/124,416,427.20 = 81,174,812.80/x
  3. Step 3: Cross multiply
    82,944,284.80x = 124,416,427.20 × 81,174,812.80
  4. Step 4: Simplify right side
    82,944,284.80x = 10,099,480,187,204,828
  5. Step 5: Solve for x
    x = 10,099,480,187,204,828/82,944,284.80
  6. Step 6: Final answer
    x = 121,762,219.20

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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.