Home / 55,796,857.44-77,000,580.16-30,680,020.64

Finding the Fourth Proportional to 55,796,857.44, 77,000,580.16 and 30,680,020.64

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Solution

The fourth proportional to 55,796,857.44, 77,000,580.16 and 30,680,020.64 is: 42,338,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796,857.44 : 77,000,580.16 = 30,680,020.64 : x
  2. Step 2: Convert to fraction form
    55,796,857.44/77,000,580.16 = 30,680,020.64/x
  3. Step 3: Cross multiply
    55,796,857.44x = 77,000,580.16 × 30,680,020.64
  4. Step 4: Simplify right side
    55,796,857.44x = 2,362,379,388,600,774.50
  5. Step 5: Solve for x
    x = 2,362,379,388,600,774.50/55,796,857.44
  6. Step 6: Final answer
    x = 42,338,932.64

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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.