Home / 89,636,129.10-123,704,192.90-49,946,294.54

Finding the Fourth Proportional to 89,636,129.10, 123,704,192.90 and 49,946,294.54

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Solution

The fourth proportional to 89,636,129.10, 123,704,192.90 and 49,946,294.54 is: 68,929,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,636,129.10 : 123,704,192.90 = 49,946,294.54 : x
  2. Step 2: Convert to fraction form
    89,636,129.10/123,704,192.90 = 49,946,294.54/x
  3. Step 3: Cross multiply
    89,636,129.10x = 123,704,192.90 × 49,946,294.54
  4. Step 4: Simplify right side
    89,636,129.10x = 6,178,566,054,416,377
  5. Step 5: Solve for x
    x = 6,178,566,054,416,377/89,636,129.10
  6. Step 6: Final answer
    x = 68,929,416.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.