Home / 200,126,791.19-276,177,792.35-115,307,032.66

Finding the Fourth Proportional to 200,126,791.19, 276,177,792.35 and 115,307,032.66

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Solution

The fourth proportional to 200,126,791.19, 276,177,792.35 and 115,307,032.66 is: 159,125,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,126,791.19 : 276,177,792.35 = 115,307,032.66 : x
  2. Step 2: Convert to fraction form
    200,126,791.19/276,177,792.35 = 115,307,032.66/x
  3. Step 3: Cross multiply
    200,126,791.19x = 276,177,792.35 × 115,307,032.66
  4. Step 4: Simplify right side
    200,126,791.19x = 31,845,241,722,468,148
  5. Step 5: Solve for x
    x = 31,845,241,722,468,148/200,126,791.19
  6. Step 6: Final answer
    x = 159,125,330.16

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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.