Home / 77,622,240.88-107,116,815.63-42,814,183.96

Finding the Fourth Proportional to 77,622,240.88, 107,116,815.63 and 42,814,183.96

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Solution

The fourth proportional to 77,622,240.88, 107,116,815.63 and 42,814,183.96 is: 59,082,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,622,240.88 : 107,116,815.63 = 42,814,183.96 : x
  2. Step 2: Convert to fraction form
    77,622,240.88/107,116,815.63 = 42,814,183.96/x
  3. Step 3: Cross multiply
    77,622,240.88x = 107,116,815.63 × 42,814,183.96
  4. Step 4: Simplify right side
    77,622,240.88x = 4,586,119,049,592,223
  5. Step 5: Solve for x
    x = 4,586,119,049,592,223/77,622,240.88
  6. Step 6: Final answer
    x = 59,082,538.68

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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.