Home / 83,136,409.57-124,673,599.05-28,533,500.38

Finding the Fourth Proportional to 83,136,409.57, 124,673,599.05 and 28,533,500.38

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Solution

The fourth proportional to 83,136,409.57, 124,673,599.05 and 28,533,500.38 is: 42,789,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136,409.57 : 124,673,599.05 = 28,533,500.38 : x
  2. Step 2: Convert to fraction form
    83,136,409.57/124,673,599.05 = 28,533,500.38/x
  3. Step 3: Cross multiply
    83,136,409.57x = 124,673,599.05 × 28,533,500.38
  4. Step 4: Simplify right side
    83,136,409.57x = 3,557,374,185,869,142.50
  5. Step 5: Solve for x
    x = 3,557,374,185,869,142.50/83,136,409.57
  6. Step 6: Final answer
    x = 42,789,605.71

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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.