Home / 48,414,538.80-72,621,808.20-18,118,465.20

Finding the Fourth Proportional to 48,414,538.80, 72,621,808.20 and 18,118,465.20

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Solution

The fourth proportional to 48,414,538.80, 72,621,808.20 and 18,118,465.20 is: 27,177,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,414,538.80 : 72,621,808.20 = 18,118,465.20 : x
  2. Step 2: Convert to fraction form
    48,414,538.80/72,621,808.20 = 18,118,465.20/x
  3. Step 3: Cross multiply
    48,414,538.80x = 72,621,808.20 × 18,118,465.20
  4. Step 4: Simplify right side
    48,414,538.80x = 1,315,795,704,632,774.75
  5. Step 5: Solve for x
    x = 1,315,795,704,632,774.75/48,414,538.80
  6. Step 6: Final answer
    x = 27,177,697.80

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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.