Home / 66,582,664.40-99,873,996.60-18,713,608.40

Finding the Fourth Proportional to 66,582,664.40, 99,873,996.60 and 18,713,608.40

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Solution

The fourth proportional to 66,582,664.40, 99,873,996.60 and 18,713,608.40 is: 28,070,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582,664.40 : 99,873,996.60 = 18,713,608.40 : x
  2. Step 2: Convert to fraction form
    66,582,664.40/99,873,996.60 = 18,713,608.40/x
  3. Step 3: Cross multiply
    66,582,664.40x = 99,873,996.60 × 18,713,608.40
  4. Step 4: Simplify right side
    66,582,664.40x = 1,869,002,861,715,331.25
  5. Step 5: Solve for x
    x = 1,869,002,861,715,331.25/66,582,664.40
  6. Step 6: Final answer
    x = 28,070,412.60

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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.