Home / 82,874,988.56-124,333,385.52-27,543,113.84

Finding the Fourth Proportional to 82,874,988.56, 124,333,385.52 and 27,543,113.84

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Solution

The fourth proportional to 82,874,988.56, 124,333,385.52 and 27,543,113.84 is: 41,321,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,874,988.56 : 124,333,385.52 = 27,543,113.84 : x
  2. Step 2: Convert to fraction form
    82,874,988.56/124,333,385.52 = 27,543,113.84/x
  3. Step 3: Cross multiply
    82,874,988.56x = 124,333,385.52 × 27,543,113.84
  4. Step 4: Simplify right side
    82,874,988.56x = 3,424,528,591,489,967.50
  5. Step 5: Solve for x
    x = 3,424,528,591,489,967.50/82,874,988.56
  6. Step 6: Final answer
    x = 41,321,617.67

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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.