Home / 74,416,996.80-111,412,918.80-66,764,246.40

Finding the Fourth Proportional to 74,416,996.80, 111,412,918.80 and 66,764,246.40

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Solution

The fourth proportional to 74,416,996.80, 111,412,918.80 and 66,764,246.40 is: 99,955,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416,996.80 : 111,412,918.80 = 66,764,246.40 : x
  2. Step 2: Convert to fraction form
    74,416,996.80/111,412,918.80 = 66,764,246.40/x
  3. Step 3: Cross multiply
    74,416,996.80x = 111,412,918.80 × 66,764,246.40
  4. Step 4: Simplify right side
    74,416,996.80x = 7,438,399,562,906,392
  5. Step 5: Solve for x
    x = 7,438,399,562,906,392/74,416,996.80
  6. Step 6: Final answer
    x = 99,955,653.72

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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.