Home / 103,959,493.08-143,465,792.13-56,915,772.54

Finding the Fourth Proportional to 103,959,493.08, 143,465,792.13 and 56,915,772.54

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Solution

The fourth proportional to 103,959,493.08, 143,465,792.13 and 56,915,772.54 is: 78,544,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,493.08 : 143,465,792.13 = 56,915,772.54 : x
  2. Step 2: Convert to fraction form
    103,959,493.08/143,465,792.13 = 56,915,772.54/x
  3. Step 3: Cross multiply
    103,959,493.08x = 143,465,792.13 × 56,915,772.54
  4. Step 4: Simplify right side
    103,959,493.08x = 8,165,466,392,142,002
  5. Step 5: Solve for x
    x = 8,165,466,392,142,002/103,959,493.08
  6. Step 6: Final answer
    x = 78,544,692.27

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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.