Home / 48,387,741.80-72,594,443.10-21,082,317.80

Finding the Fourth Proportional to 48,387,741.80, 72,594,443.10 and 21,082,317.80

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Solution

The fourth proportional to 48,387,741.80, 72,594,443.10 and 21,082,317.80 is: 31,629,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,741.80 : 72,594,443.10 = 21,082,317.80 : x
  2. Step 2: Convert to fraction form
    48,387,741.80/72,594,443.10 = 21,082,317.80/x
  3. Step 3: Cross multiply
    48,387,741.80x = 72,594,443.10 × 21,082,317.80
  4. Step 4: Simplify right side
    48,387,741.80x = 1,530,459,119,948,217
  5. Step 5: Solve for x
    x = 1,530,459,119,948,217/48,387,741.80
  6. Step 6: Final answer
    x = 31,629,066.85

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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.