Home / 309,372,215.20-426,925,137.28-170,143,027.52

Finding the Fourth Proportional to 309,372,215.20, 426,925,137.28 and 170,143,027.52

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Solution

The fourth proportional to 309,372,215.20, 426,925,137.28 and 170,143,027.52 is: 234,792,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,372,215.20 : 426,925,137.28 = 170,143,027.52 : x
  2. Step 2: Convert to fraction form
    309,372,215.20/426,925,137.28 = 170,143,027.52/x
  3. Step 3: Cross multiply
    309,372,215.20x = 426,925,137.28 × 170,143,027.52
  4. Step 4: Simplify right side
    309,372,215.20x = 72,638,335,381,210,816
  5. Step 5: Solve for x
    x = 72,638,335,381,210,816/309,372,215.20
  6. Step 6: Final answer
    x = 234,792,692.47

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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.