Home / 81,023,991.59-111,813,099.64-43,854,265.08

Finding the Fourth Proportional to 81,023,991.59, 111,813,099.64 and 43,854,265.08

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Solution

The fourth proportional to 81,023,991.59, 111,813,099.64 and 43,854,265.08 is: 60,518,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,023,991.59 : 111,813,099.64 = 43,854,265.08 : x
  2. Step 2: Convert to fraction form
    81,023,991.59/111,813,099.64 = 43,854,265.08/x
  3. Step 3: Cross multiply
    81,023,991.59x = 111,813,099.64 × 43,854,265.08
  4. Step 4: Simplify right side
    81,023,991.59x = 4,903,481,310,919,377
  5. Step 5: Solve for x
    x = 4,903,481,310,919,377/81,023,991.59
  6. Step 6: Final answer
    x = 60,518,881.07

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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.