Home / 103,593,630.72-142,962,593.96-56,553,212.44

Finding the Fourth Proportional to 103,593,630.72, 142,962,593.96 and 56,553,212.44

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Solution

The fourth proportional to 103,593,630.72, 142,962,593.96 and 56,553,212.44 is: 78,045,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,593,630.72 : 142,962,593.96 = 56,553,212.44 : x
  2. Step 2: Convert to fraction form
    103,593,630.72/142,962,593.96 = 56,553,212.44/x
  3. Step 3: Cross multiply
    103,593,630.72x = 142,962,593.96 × 56,553,212.44
  4. Step 4: Simplify right side
    103,593,630.72x = 8,084,993,947,193,341
  5. Step 5: Solve for x
    x = 8,084,993,947,193,341/103,593,630.72
  6. Step 6: Final answer
    x = 78,045,280.30

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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.