Home / 91,987,247.64-138,076,574.58-67,753,538.04

Finding the Fourth Proportional to 91,987,247.64, 138,076,574.58 and 67,753,538.04

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Solution

The fourth proportional to 91,987,247.64, 138,076,574.58 and 67,753,538.04 is: 101,700,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,987,247.64 : 138,076,574.58 = 67,753,538.04 : x
  2. Step 2: Convert to fraction form
    91,987,247.64/138,076,574.58 = 67,753,538.04/x
  3. Step 3: Cross multiply
    91,987,247.64x = 138,076,574.58 × 67,753,538.04
  4. Step 4: Simplify right side
    91,987,247.64x = 9,355,176,448,238,928
  5. Step 5: Solve for x
    x = 9,355,176,448,238,928/91,987,247.64
  6. Step 6: Final answer
    x = 101,700,797.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.