Home / 55,304,198.20-76,314,005.52-30,523,928.12

Finding the Fourth Proportional to 55,304,198.20, 76,314,005.52 and 30,523,928.12

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Solution

The fourth proportional to 55,304,198.20, 76,314,005.52 and 30,523,928.12 is: 42,119,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304,198.20 : 76,314,005.52 = 30,523,928.12 : x
  2. Step 2: Convert to fraction form
    55,304,198.20/76,314,005.52 = 30,523,928.12/x
  3. Step 3: Cross multiply
    55,304,198.20x = 76,314,005.52 × 30,523,928.12
  4. Step 4: Simplify right side
    55,304,198.20x = 2,329,403,219,041,763
  5. Step 5: Solve for x
    x = 2,329,403,219,041,763/55,304,198.20
  6. Step 6: Final answer
    x = 42,119,826.25

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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.