Home / 57,267,916.08-85,915,329.24-18,929,431.44

Finding the Fourth Proportional to 57,267,916.08, 85,915,329.24 and 18,929,431.44

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Solution

The fourth proportional to 57,267,916.08, 85,915,329.24 and 18,929,431.44 is: 28,398,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267,916.08 : 85,915,329.24 = 18,929,431.44 : x
  2. Step 2: Convert to fraction form
    57,267,916.08/85,915,329.24 = 18,929,431.44/x
  3. Step 3: Cross multiply
    57,267,916.08x = 85,915,329.24 × 18,929,431.44
  4. Step 4: Simplify right side
    57,267,916.08x = 1,626,328,334,493,607.25
  5. Step 5: Solve for x
    x = 1,626,328,334,493,607.25/57,267,916.08
  6. Step 6: Final answer
    x = 28,398,594.64

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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.