Home / 121,322,136.30-181,983,204.45-114,625,979.70

Finding the Fourth Proportional to 121,322,136.30, 181,983,204.45 and 114,625,979.70

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Solution

The fourth proportional to 121,322,136.30, 181,983,204.45 and 114,625,979.70 is: 171,938,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322,136.30 : 181,983,204.45 = 114,625,979.70 : x
  2. Step 2: Convert to fraction form
    121,322,136.30/181,983,204.45 = 114,625,979.70/x
  3. Step 3: Cross multiply
    121,322,136.30x = 181,983,204.45 × 114,625,979.70
  4. Step 4: Simplify right side
    121,322,136.30x = 20,860,003,099,026,648
  5. Step 5: Solve for x
    x = 20,860,003,099,026,648/121,322,136.30
  6. Step 6: Final answer
    x = 171,938,969.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.