Home / 127,746,015.30-191,619,022.95-45,904,101.30

Finding the Fourth Proportional to 127,746,015.30, 191,619,022.95 and 45,904,101.30

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Solution

The fourth proportional to 127,746,015.30, 191,619,022.95 and 45,904,101.30 is: 68,856,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,015.30 : 191,619,022.95 = 45,904,101.30 : x
  2. Step 2: Convert to fraction form
    127,746,015.30/191,619,022.95 = 45,904,101.30/x
  3. Step 3: Cross multiply
    127,746,015.30x = 191,619,022.95 × 45,904,101.30
  4. Step 4: Simplify right side
    127,746,015.30x = 8,796,099,040,503,824
  5. Step 5: Solve for x
    x = 8,796,099,040,503,824/127,746,015.30
  6. Step 6: Final answer
    x = 68,856,151.95

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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.