Home / 205,136,516.40-307,704,774.60-61,529,348.40

Finding the Fourth Proportional to 205,136,516.40, 307,704,774.60 and 61,529,348.40

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Solution

The fourth proportional to 205,136,516.40, 307,704,774.60 and 61,529,348.40 is: 92,294,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,136,516.40 : 307,704,774.60 = 61,529,348.40 : x
  2. Step 2: Convert to fraction form
    205,136,516.40/307,704,774.60 = 61,529,348.40/x
  3. Step 3: Cross multiply
    205,136,516.40x = 307,704,774.60 × 61,529,348.40
  4. Step 4: Simplify right side
    205,136,516.40x = 18,932,874,280,706,872
  5. Step 5: Solve for x
    x = 18,932,874,280,706,872/205,136,516.40
  6. Step 6: Final answer
    x = 92,294,022.60

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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.