Home / 89,947,980.75-134,975,706.53-82,629,972.03

Finding the Fourth Proportional to 89,947,980.75, 134,975,706.53 and 82,629,972.03

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Solution

The fourth proportional to 89,947,980.75, 134,975,706.53 and 82,629,972.03 is: 123,994,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947,980.75 : 134,975,706.53 = 82,629,972.03 : x
  2. Step 2: Convert to fraction form
    89,947,980.75/134,975,706.53 = 82,629,972.03/x
  3. Step 3: Cross multiply
    89,947,980.75x = 134,975,706.53 × 82,629,972.03
  4. Step 4: Simplify right side
    89,947,980.75x = 11,153,038,854,890,240
  5. Step 5: Solve for x
    x = 11,153,038,854,890,240/89,947,980.75
  6. Step 6: Final answer
    x = 123,994,321.63

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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.