Home / 84,172,822.60-126,189,249.90-35,687,907.40

Finding the Fourth Proportional to 84,172,822.60, 126,189,249.90 and 35,687,907.40

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Solution

The fourth proportional to 84,172,822.60, 126,189,249.90 and 35,687,907.40 is: 53,502,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172,822.60 : 126,189,249.90 = 35,687,907.40 : x
  2. Step 2: Convert to fraction form
    84,172,822.60/126,189,249.90 = 35,687,907.40/x
  3. Step 3: Cross multiply
    84,172,822.60x = 126,189,249.90 × 35,687,907.40
  4. Step 4: Simplify right side
    84,172,822.60x = 4,503,430,265,306,659.50
  5. Step 5: Solve for x
    x = 4,503,430,265,306,659.50/84,172,822.60
  6. Step 6: Final answer
    x = 53,502,189.02

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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.