Home / 156,691,556.80-235,070,512.80-47,507,761.60

Finding the Fourth Proportional to 156,691,556.80, 235,070,512.80 and 47,507,761.60

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Solution

The fourth proportional to 156,691,556.80, 235,070,512.80 and 47,507,761.60 is: 71,271,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,691,556.80 : 235,070,512.80 = 47,507,761.60 : x
  2. Step 2: Convert to fraction form
    156,691,556.80/235,070,512.80 = 47,507,761.60/x
  3. Step 3: Cross multiply
    156,691,556.80x = 235,070,512.80 × 47,507,761.60
  4. Step 4: Simplify right side
    156,691,556.80x = 11,167,673,881,292,150
  5. Step 5: Solve for x
    x = 11,167,673,881,292,150/156,691,556.80
  6. Step 6: Final answer
    x = 71,271,701.61

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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.