Home / 99,813,665.97-149,734,781.07-30,732,314.58

Finding the Fourth Proportional to 99,813,665.97, 149,734,781.07 and 30,732,314.58

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Solution

The fourth proportional to 99,813,665.97, 149,734,781.07 and 30,732,314.58 is: 46,102,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,813,665.97 : 149,734,781.07 = 30,732,314.58 : x
  2. Step 2: Convert to fraction form
    99,813,665.97/149,734,781.07 = 30,732,314.58/x
  3. Step 3: Cross multiply
    99,813,665.97x = 149,734,781.07 × 30,732,314.58
  4. Step 4: Simplify right side
    99,813,665.97x = 4,601,696,395,410,669
  5. Step 5: Solve for x
    x = 4,601,696,395,410,669/99,813,665.97
  6. Step 6: Final answer
    x = 46,102,869.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.