Home / 81,008,516.25-111,792,093.30-43,838,798.33

Finding the Fourth Proportional to 81,008,516.25, 111,792,093.30 and 43,838,798.33

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Solution

The fourth proportional to 81,008,516.25, 111,792,093.30 and 43,838,798.33 is: 60,497,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,008,516.25 : 111,792,093.30 = 43,838,798.33 : x
  2. Step 2: Convert to fraction form
    81,008,516.25/111,792,093.30 = 43,838,798.33/x
  3. Step 3: Cross multiply
    81,008,516.25x = 111,792,093.30 × 43,838,798.33
  4. Step 4: Simplify right side
    81,008,516.25x = 4,900,831,032,508,284
  5. Step 5: Solve for x
    x = 4,900,831,032,508,284/81,008,516.25
  6. Step 6: Final answer
    x = 60,497,726.16

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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.