Home / 65,244,021.68-90,039,982.77-40,472,191.17

Finding the Fourth Proportional to 65,244,021.68, 90,039,982.77 and 40,472,191.17

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Solution

The fourth proportional to 65,244,021.68, 90,039,982.77 and 40,472,191.17 is: 55,853,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244,021.68 : 90,039,982.77 = 40,472,191.17 : x
  2. Step 2: Convert to fraction form
    65,244,021.68/90,039,982.77 = 40,472,191.17/x
  3. Step 3: Cross multiply
    65,244,021.68x = 90,039,982.77 × 40,472,191.17
  4. Step 4: Simplify right side
    65,244,021.68x = 3,644,115,395,610,946
  5. Step 5: Solve for x
    x = 3,644,115,395,610,946/65,244,021.68
  6. Step 6: Final answer
    x = 55,853,629.22

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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.