Home / 43,842,678.30-65,764,017.45-18,275,190.30

Finding the Fourth Proportional to 43,842,678.30, 65,764,017.45 and 18,275,190.30

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Solution

The fourth proportional to 43,842,678.30, 65,764,017.45 and 18,275,190.30 is: 27,412,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,842,678.30 : 65,764,017.45 = 18,275,190.30 : x
  2. Step 2: Convert to fraction form
    43,842,678.30/65,764,017.45 = 18,275,190.30/x
  3. Step 3: Cross multiply
    43,842,678.30x = 65,764,017.45 × 18,275,190.30
  4. Step 4: Simplify right side
    43,842,678.30x = 1,201,849,933,791,270.75
  5. Step 5: Solve for x
    x = 1,201,849,933,791,270.75/43,842,678.30
  6. Step 6: Final answer
    x = 27,412,785.45

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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.