Home / 48,051,433.76-66,257,844.32-30,620,168.96

Finding the Fourth Proportional to 48,051,433.76, 66,257,844.32 and 30,620,168.96

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Solution

The fourth proportional to 48,051,433.76, 66,257,844.32 and 30,620,168.96 is: 42,221,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,051,433.76 : 66,257,844.32 = 30,620,168.96 : x
  2. Step 2: Convert to fraction form
    48,051,433.76/66,257,844.32 = 30,620,168.96/x
  3. Step 3: Cross multiply
    48,051,433.76x = 66,257,844.32 × 30,620,168.96
  4. Step 4: Simplify right side
    48,051,433.76x = 2,028,826,388,003,776.50
  5. Step 5: Solve for x
    x = 2,028,826,388,003,776.50/48,051,433.76
  6. Step 6: Final answer
    x = 42,221,974.02

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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.