Home / 411,217,732.10-616,869,844.91-120,085,672.34

Finding the Fourth Proportional to 411,217,732.10, 616,869,844.91 and 120,085,672.34

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Solution

The fourth proportional to 411,217,732.10, 616,869,844.91 and 120,085,672.34 is: 180,141,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,217,732.10 : 616,869,844.91 = 120,085,672.34 : x
  2. Step 2: Convert to fraction form
    411,217,732.10/616,869,844.91 = 120,085,672.34/x
  3. Step 3: Cross multiply
    411,217,732.10x = 616,869,844.91 × 120,085,672.34
  4. Step 4: Simplify right side
    411,217,732.10x = 74,077,230,072,288,880
  5. Step 5: Solve for x
    x = 74,077,230,072,288,880/411,217,732.10
  6. Step 6: Final answer
    x = 180,141,137.63

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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.