Home / 72,581,201.70-108,871,802.55-49,589,124.90

Finding the Fourth Proportional to 72,581,201.70, 108,871,802.55 and 49,589,124.90

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Solution

The fourth proportional to 72,581,201.70, 108,871,802.55 and 49,589,124.90 is: 74,383,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,201.70 : 108,871,802.55 = 49,589,124.90 : x
  2. Step 2: Convert to fraction form
    72,581,201.70/108,871,802.55 = 49,589,124.90/x
  3. Step 3: Cross multiply
    72,581,201.70x = 108,871,802.55 × 49,589,124.90
  4. Step 4: Simplify right side
    72,581,201.70x = 5,398,857,414,740,088
  5. Step 5: Solve for x
    x = 5,398,857,414,740,088/72,581,201.70
  6. Step 6: Final answer
    x = 74,383,687.35

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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.