Home / 81,001,645.28-111,782,566.74-43,831,925.84

Finding the Fourth Proportional to 81,001,645.28, 111,782,566.74 and 43,831,925.84

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Solution

The fourth proportional to 81,001,645.28, 111,782,566.74 and 43,831,925.84 is: 60,488,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,645.28 : 111,782,566.74 = 43,831,925.84 : x
  2. Step 2: Convert to fraction form
    81,001,645.28/111,782,566.74 = 43,831,925.84/x
  3. Step 3: Cross multiply
    81,001,645.28x = 111,782,566.74 × 43,831,925.84
  4. Step 4: Simplify right side
    81,001,645.28x = 4,899,645,175,552,531
  5. Step 5: Solve for x
    x = 4,899,645,175,552,531/81,001,645.28
  6. Step 6: Final answer
    x = 60,488,217.97

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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.