Home / 65,222,839.44-90,009,710.22-38,395,329.30

Finding the Fourth Proportional to 65,222,839.44, 90,009,710.22 and 38,395,329.30

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Solution

The fourth proportional to 65,222,839.44, 90,009,710.22 and 38,395,329.30 is: 52,986,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222,839.44 : 90,009,710.22 = 38,395,329.30 : x
  2. Step 2: Convert to fraction form
    65,222,839.44/90,009,710.22 = 38,395,329.30/x
  3. Step 3: Cross multiply
    65,222,839.44x = 90,009,710.22 × 38,395,329.30
  4. Step 4: Simplify right side
    65,222,839.44x = 3,455,952,464,094,475
  5. Step 5: Solve for x
    x = 3,455,952,464,094,475/65,222,839.44
  6. Step 6: Final answer
    x = 52,986,844.70

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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.