Home / 83,543,982.78-125,341,638.60-39,880,462.16

Finding the Fourth Proportional to 83,543,982.78, 125,341,638.60 and 39,880,462.16

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Solution

The fourth proportional to 83,543,982.78, 125,341,638.60 and 39,880,462.16 is: 59,832,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,543,982.78 : 125,341,638.60 = 39,880,462.16 : x
  2. Step 2: Convert to fraction form
    83,543,982.78/125,341,638.60 = 39,880,462.16/x
  3. Step 3: Cross multiply
    83,543,982.78x = 125,341,638.60 × 39,880,462.16
  4. Step 4: Simplify right side
    83,543,982.78x = 4,998,682,475,259,695
  5. Step 5: Solve for x
    x = 4,998,682,475,259,695/83,543,982.78
  6. Step 6: Final answer
    x = 59,832,944.38

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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.