Home / 77,530,198.16-106,992,390.92-42,724,134.14

Finding the Fourth Proportional to 77,530,198.16, 106,992,390.92 and 42,724,134.14

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Solution

The fourth proportional to 77,530,198.16, 106,992,390.92 and 42,724,134.14 is: 58,959,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,198.16 : 106,992,390.92 = 42,724,134.14 : x
  2. Step 2: Convert to fraction form
    77,530,198.16/106,992,390.92 = 42,724,134.14/x
  3. Step 3: Cross multiply
    77,530,198.16x = 106,992,390.92 × 42,724,134.14
  4. Step 4: Simplify right side
    77,530,198.16x = 4,571,157,260,876,815
  5. Step 5: Solve for x
    x = 4,571,157,260,876,815/77,530,198.16
  6. Step 6: Final answer
    x = 58,959,700.47

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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.