Home / 82,725,391.20-124,088,086.80-69,970,807.20

Finding the Fourth Proportional to 82,725,391.20, 124,088,086.80 and 69,970,807.20

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Solution

The fourth proportional to 82,725,391.20, 124,088,086.80 and 69,970,807.20 is: 104,956,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725,391.20 : 124,088,086.80 = 69,970,807.20 : x
  2. Step 2: Convert to fraction form
    82,725,391.20/124,088,086.80 = 69,970,807.20/x
  3. Step 3: Cross multiply
    82,725,391.20x = 124,088,086.80 × 69,970,807.20
  4. Step 4: Simplify right side
    82,725,391.20x = 8,682,543,597,299,665
  5. Step 5: Solve for x
    x = 8,682,543,597,299,665/82,725,391.20
  6. Step 6: Final answer
    x = 104,956,210.80

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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.