Home / 165,622,128.90-248,445,003.15-50,606,486.70

Finding the Fourth Proportional to 165,622,128.90, 248,445,003.15 and 50,606,486.70

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Solution

The fourth proportional to 165,622,128.90, 248,445,003.15 and 50,606,486.70 is: 75,913,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,622,128.90 : 248,445,003.15 = 50,606,486.70 : x
  2. Step 2: Convert to fraction form
    165,622,128.90/248,445,003.15 = 50,606,486.70/x
  3. Step 3: Cross multiply
    165,622,128.90x = 248,445,003.15 × 50,606,486.70
  4. Step 4: Simplify right side
    165,622,128.90x = 12,572,928,747,591,934
  5. Step 5: Solve for x
    x = 12,572,928,747,591,934/165,622,128.90
  6. Step 6: Final answer
    x = 75,913,338.58

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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.