Home / 65,499,559.68-90,387,796.14-36,130,249.20

Finding the Fourth Proportional to 65,499,559.68, 90,387,796.14 and 36,130,249.20

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Solution

The fourth proportional to 65,499,559.68, 90,387,796.14 and 36,130,249.20 is: 49,858,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,499,559.68 : 90,387,796.14 = 36,130,249.20 : x
  2. Step 2: Convert to fraction form
    65,499,559.68/90,387,796.14 = 36,130,249.20/x
  3. Step 3: Cross multiply
    65,499,559.68x = 90,387,796.14 × 36,130,249.20
  4. Step 4: Simplify right side
    65,499,559.68x = 3,265,733,599,176,998.50
  5. Step 5: Solve for x
    x = 3,265,733,599,176,998.50/65,499,559.68
  6. Step 6: Final answer
    x = 49,858,863.41

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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.