Home / 35,455,847.60-53,225,761.80-20,115,354.80

Finding the Fourth Proportional to 35,455,847.60, 53,225,761.80 and 20,115,354.80

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Solution

The fourth proportional to 35,455,847.60, 53,225,761.80 and 20,115,354.80 is: 30,196,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455,847.60 : 53,225,761.80 = 20,115,354.80 : x
  2. Step 2: Convert to fraction form
    35,455,847.60/53,225,761.80 = 20,115,354.80/x
  3. Step 3: Cross multiply
    35,455,847.60x = 53,225,761.80 × 20,115,354.80
  4. Step 4: Simplify right side
    35,455,847.60x = 1,070,655,083,107,286.62
  5. Step 5: Solve for x
    x = 1,070,655,083,107,286.62/35,455,847.60
  6. Step 6: Final answer
    x = 30,196,854.84

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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.