Home / 135,801,004.83-187,409,913.37-76,272,791.21

Finding the Fourth Proportional to 135,801,004.83, 187,409,913.37 and 76,272,791.21

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Solution

The fourth proportional to 135,801,004.83, 187,409,913.37 and 76,272,791.21 is: 105,258,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,801,004.83 : 187,409,913.37 = 76,272,791.21 : x
  2. Step 2: Convert to fraction form
    135,801,004.83/187,409,913.37 = 76,272,791.21/x
  3. Step 3: Cross multiply
    135,801,004.83x = 187,409,913.37 × 76,272,791.21
  4. Step 4: Simplify right side
    135,801,004.83x = 14,294,277,193,432,042
  5. Step 5: Solve for x
    x = 14,294,277,193,432,042/135,801,004.83
  6. Step 6: Final answer
    x = 105,258,994.30

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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.