Home / 72,628,301.94-100,224,040.83-39,587,823.96

Finding the Fourth Proportional to 72,628,301.94, 100,224,040.83 and 39,587,823.96

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Solution

The fourth proportional to 72,628,301.94, 100,224,040.83 and 39,587,823.96 is: 54,629,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628,301.94 : 100,224,040.83 = 39,587,823.96 : x
  2. Step 2: Convert to fraction form
    72,628,301.94/100,224,040.83 = 39,587,823.96/x
  3. Step 3: Cross multiply
    72,628,301.94x = 100,224,040.83 × 39,587,823.96
  4. Step 4: Simplify right side
    72,628,301.94x = 3,967,651,684,937,892.50
  5. Step 5: Solve for x
    x = 3,967,651,684,937,892.50/72,628,301.94
  6. Step 6: Final answer
    x = 54,629,553.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.