Home / 120,650,088.32-166,492,219.08-68,438,003.12

Finding the Fourth Proportional to 120,650,088.32, 166,492,219.08 and 68,438,003.12

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Solution

The fourth proportional to 120,650,088.32, 166,492,219.08 and 68,438,003.12 is: 94,441,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,650,088.32 : 166,492,219.08 = 68,438,003.12 : x
  2. Step 2: Convert to fraction form
    120,650,088.32/166,492,219.08 = 68,438,003.12/x
  3. Step 3: Cross multiply
    120,650,088.32x = 166,492,219.08 × 68,438,003.12
  4. Step 4: Simplify right side
    120,650,088.32x = 11,394,395,008,852,766
  5. Step 5: Solve for x
    x = 11,394,395,008,852,766/120,650,088.32
  6. Step 6: Final answer
    x = 94,441,663.22

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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.