Home / 222,232,856.89-306,700,175.44-123,144,685.98

Finding the Fourth Proportional to 222,232,856.89, 306,700,175.44 and 123,144,685.98

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Solution

The fourth proportional to 222,232,856.89, 306,700,175.44 and 123,144,685.98 is: 169,950,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,232,856.89 : 306,700,175.44 = 123,144,685.98 : x
  2. Step 2: Convert to fraction form
    222,232,856.89/306,700,175.44 = 123,144,685.98/x
  3. Step 3: Cross multiply
    222,232,856.89x = 306,700,175.44 × 123,144,685.98
  4. Step 4: Simplify right side
    222,232,856.89x = 37,768,496,796,294,640
  5. Step 5: Solve for x
    x = 37,768,496,796,294,640/222,232,856.89
  6. Step 6: Final answer
    x = 169,950,102.45

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1.5x scale

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.