Home / 65,555,383.68-90,468,570.68-35,787,619

Finding the Fourth Proportional to 65,555,383.68, 90,468,570.68 and 35,787,619

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Solution

The fourth proportional to 65,555,383.68, 90,468,570.68 and 35,787,619 is: 49,388,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555,383.68 : 90,468,570.68 = 35,787,619 : x
  2. Step 2: Convert to fraction form
    65,555,383.68/90,468,570.68 = 35,787,619/x
  3. Step 3: Cross multiply
    65,555,383.68x = 90,468,570.68 × 35,787,619
  4. Step 4: Simplify right side
    65,555,383.68x = 3,237,654,738,970,411
  5. Step 5: Solve for x
    x = 3,237,654,738,970,411/65,555,383.68
  6. Step 6: Final answer
    x = 49,388,083.13

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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.