Home / 200,066,531.92-276,120,693.36-115,277,411.65

Finding the Fourth Proportional to 200,066,531.92, 276,120,693.36 and 115,277,411.65

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Solution

The fourth proportional to 200,066,531.92, 276,120,693.36 and 115,277,411.65 is: 159,099,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,066,531.92 : 276,120,693.36 = 115,277,411.65 : x
  2. Step 2: Convert to fraction form
    200,066,531.92/276,120,693.36 = 115,277,411.65/x
  3. Step 3: Cross multiply
    200,066,531.92x = 276,120,693.36 × 115,277,411.65
  4. Step 4: Simplify right side
    200,066,531.92x = 31,830,478,833,544,144
  5. Step 5: Solve for x
    x = 31,830,478,833,544,144/200,066,531.92
  6. Step 6: Final answer
    x = 159,099,468.20

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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.