Home / 81,001,648.76-111,782,571.53-43,831,929.29

Finding the Fourth Proportional to 81,001,648.76, 111,782,571.53 and 43,831,929.29

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Solution

The fourth proportional to 81,001,648.76, 111,782,571.53 and 43,831,929.29 is: 60,488,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,648.76 : 111,782,571.53 = 43,831,929.29 : x
  2. Step 2: Convert to fraction form
    81,001,648.76/111,782,571.53 = 43,831,929.29/x
  3. Step 3: Cross multiply
    81,001,648.76x = 111,782,571.53 × 43,831,929.29
  4. Step 4: Simplify right side
    81,001,648.76x = 4,899,645,770,379,254
  5. Step 5: Solve for x
    x = 4,899,645,770,379,254/81,001,648.76
  6. Step 6: Final answer
    x = 60,488,222.72

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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.