Home / 75,078,190.80-112,617,286.20-52,119,939.60

Finding the Fourth Proportional to 75,078,190.80, 112,617,286.20 and 52,119,939.60

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Solution

The fourth proportional to 75,078,190.80, 112,617,286.20 and 52,119,939.60 is: 78,179,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,078,190.80 : 112,617,286.20 = 52,119,939.60 : x
  2. Step 2: Convert to fraction form
    75,078,190.80/112,617,286.20 = 52,119,939.60/x
  3. Step 3: Cross multiply
    75,078,190.80x = 112,617,286.20 × 52,119,939.60
  4. Step 4: Simplify right side
    75,078,190.80x = 5,869,606,154,659,914
  5. Step 5: Solve for x
    x = 5,869,606,154,659,914/75,078,190.80
  6. Step 6: Final answer
    x = 78,179,909.40

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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.