Home / 43,740,138.80-65,610,208.20-43,102,409.60

Finding the Fourth Proportional to 43,740,138.80, 65,610,208.20 and 43,102,409.60

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Solution

The fourth proportional to 43,740,138.80, 65,610,208.20 and 43,102,409.60 is: 64,653,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,138.80 : 65,610,208.20 = 43,102,409.60 : x
  2. Step 2: Convert to fraction form
    43,740,138.80/65,610,208.20 = 43,102,409.60/x
  3. Step 3: Cross multiply
    43,740,138.80x = 65,610,208.20 × 43,102,409.60
  4. Step 4: Simplify right side
    43,740,138.80x = 2,827,958,067,777,679
  5. Step 5: Solve for x
    x = 2,827,958,067,777,679/43,740,138.80
  6. Step 6: Final answer
    x = 64,653,614.40

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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.