Home / 43,740,221.40-65,610,332.10-30,135,331.80

Finding the Fourth Proportional to 43,740,221.40, 65,610,332.10 and 30,135,331.80

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Solution

The fourth proportional to 43,740,221.40, 65,610,332.10 and 30,135,331.80 is: 45,202,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,221.40 : 65,610,332.10 = 30,135,331.80 : x
  2. Step 2: Convert to fraction form
    43,740,221.40/65,610,332.10 = 30,135,331.80/x
  3. Step 3: Cross multiply
    43,740,221.40x = 65,610,332.10 × 30,135,331.80
  4. Step 4: Simplify right side
    43,740,221.40x = 1,977,189,127,341,690.75
  5. Step 5: Solve for x
    x = 1,977,189,127,341,690.75/43,740,221.40
  6. Step 6: Final answer
    x = 45,202,997.70

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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.