Home / 135,991,085.30-187,662,222.77-74,110,095.22

Finding the Fourth Proportional to 135,991,085.30, 187,662,222.77 and 74,110,095.22

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Solution

The fourth proportional to 135,991,085.30, 187,662,222.77 and 74,110,095.22 is: 102,268,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,991,085.30 : 187,662,222.77 = 74,110,095.22 : x
  2. Step 2: Convert to fraction form
    135,991,085.30/187,662,222.77 = 74,110,095.22/x
  3. Step 3: Cross multiply
    135,991,085.30x = 187,662,222.77 × 74,110,095.22
  4. Step 4: Simplify right side
    135,991,085.30x = 13,907,665,198,681,552
  5. Step 5: Solve for x
    x = 13,907,665,198,681,552/135,991,085.30
  6. Step 6: Final answer
    x = 102,268,947.76

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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.