Home / 81,001,627.83-111,782,542.66-43,831,908.47

Finding the Fourth Proportional to 81,001,627.83, 111,782,542.66 and 43,831,908.47

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Solution

The fourth proportional to 81,001,627.83, 111,782,542.66 and 43,831,908.47 is: 60,488,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,627.83 : 111,782,542.66 = 43,831,908.47 : x
  2. Step 2: Convert to fraction form
    81,001,627.83/111,782,542.66 = 43,831,908.47/x
  3. Step 3: Cross multiply
    81,001,627.83x = 111,782,542.66 × 43,831,908.47
  4. Step 4: Simplify right side
    81,001,627.83x = 4,899,642,178,586,866
  5. Step 5: Solve for x
    x = 4,899,642,178,586,866/81,001,627.83
  6. Step 6: Final answer
    x = 60,488,194.00

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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.