Home / 81,001,628.83-111,782,544.04-43,831,909.47

Finding the Fourth Proportional to 81,001,628.83, 111,782,544.04 and 43,831,909.47

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Solution

The fourth proportional to 81,001,628.83, 111,782,544.04 and 43,831,909.47 is: 60,488,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,628.83 : 111,782,544.04 = 43,831,909.47 : x
  2. Step 2: Convert to fraction form
    81,001,628.83/111,782,544.04 = 43,831,909.47/x
  3. Step 3: Cross multiply
    81,001,628.83x = 111,782,544.04 × 43,831,909.47
  4. Step 4: Simplify right side
    81,001,628.83x = 4,899,642,350,687,568
  5. Step 5: Solve for x
    x = 4,899,642,350,687,568/81,001,628.83
  6. Step 6: Final answer
    x = 60,488,195.38

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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.