Home / 81,001,644.28-111,782,565.36-43,831,924.84

Finding the Fourth Proportional to 81,001,644.28, 111,782,565.36 and 43,831,924.84

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Solution

The fourth proportional to 81,001,644.28, 111,782,565.36 and 43,831,924.84 is: 60,488,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,644.28 : 111,782,565.36 = 43,831,924.84 : x
  2. Step 2: Convert to fraction form
    81,001,644.28/111,782,565.36 = 43,831,924.84/x
  3. Step 3: Cross multiply
    81,001,644.28x = 111,782,565.36 × 43,831,924.84
  4. Step 4: Simplify right side
    81,001,644.28x = 4,899,645,003,281,908
  5. Step 5: Solve for x
    x = 4,899,645,003,281,908/81,001,644.28
  6. Step 6: Final answer
    x = 60,488,216.59

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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.