Home / 411,036,645.70-616,554,968.55-104,328,758.58

Finding the Fourth Proportional to 411,036,645.70, 616,554,968.55 and 104,328,758.58

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Solution

The fourth proportional to 411,036,645.70, 616,554,968.55 and 104,328,758.58 is: 156,493,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,645.70 : 616,554,968.55 = 104,328,758.58 : x
  2. Step 2: Convert to fraction form
    411,036,645.70/616,554,968.55 = 104,328,758.58/x
  3. Step 3: Cross multiply
    411,036,645.70x = 616,554,968.55 × 104,328,758.58
  4. Step 4: Simplify right side
    411,036,645.70x = 64,324,414,465,152,440
  5. Step 5: Solve for x
    x = 64,324,414,465,152,440/411,036,645.70
  6. Step 6: Final answer
    x = 156,493,137.87

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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.