Home / 68,112,141.40-102,168,212.10-35,751,539.80

Finding the Fourth Proportional to 68,112,141.40, 102,168,212.10 and 35,751,539.80

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Solution

The fourth proportional to 68,112,141.40, 102,168,212.10 and 35,751,539.80 is: 53,627,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112,141.40 : 102,168,212.10 = 35,751,539.80 : x
  2. Step 2: Convert to fraction form
    68,112,141.40/102,168,212.10 = 35,751,539.80/x
  3. Step 3: Cross multiply
    68,112,141.40x = 102,168,212.10 × 35,751,539.80
  4. Step 4: Simplify right side
    68,112,141.40x = 3,652,670,901,187,991
  5. Step 5: Solve for x
    x = 3,652,670,901,187,991/68,112,141.40
  6. Step 6: Final answer
    x = 53,627,309.70

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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.