Home / 136,775,963.45-188,750,558.39-74,052,044.28

Finding the Fourth Proportional to 136,775,963.45, 188,750,558.39 and 74,052,044.28

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Solution

The fourth proportional to 136,775,963.45, 188,750,558.39 and 74,052,044.28 is: 102,191,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,775,963.45 : 188,750,558.39 = 74,052,044.28 : x
  2. Step 2: Convert to fraction form
    136,775,963.45/188,750,558.39 = 74,052,044.28/x
  3. Step 3: Cross multiply
    136,775,963.45x = 188,750,558.39 × 74,052,044.28
  4. Step 4: Simplify right side
    136,775,963.45x = 13,977,364,707,400,744
  5. Step 5: Solve for x
    x = 13,977,364,707,400,744/136,775,963.45
  6. Step 6: Final answer
    x = 102,191,674.29

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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.