Home / 200,066,530.92-276,120,691.98-115,277,410.65

Finding the Fourth Proportional to 200,066,530.92, 276,120,691.98 and 115,277,410.65

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Solution

The fourth proportional to 200,066,530.92, 276,120,691.98 and 115,277,410.65 is: 159,099,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,066,530.92 : 276,120,691.98 = 115,277,410.65 : x
  2. Step 2: Convert to fraction form
    200,066,530.92/276,120,691.98 = 115,277,410.65/x
  3. Step 3: Cross multiply
    200,066,530.92x = 276,120,691.98 × 115,277,410.65
  4. Step 4: Simplify right side
    200,066,530.92x = 31,830,478,398,340,624
  5. Step 5: Solve for x
    x = 31,830,478,398,340,624/200,066,530.92
  6. Step 6: Final answer
    x = 159,099,466.82

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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.