Home / 66,928,923.68-100,397,997.47-28,028,208.34

Finding the Fourth Proportional to 66,928,923.68, 100,397,997.47 and 28,028,208.34

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Solution

The fourth proportional to 66,928,923.68, 100,397,997.47 and 28,028,208.34 is: 42,044,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928,923.68 : 100,397,997.47 = 28,028,208.34 : x
  2. Step 2: Convert to fraction form
    66,928,923.68/100,397,997.47 = 28,028,208.34/x
  3. Step 3: Cross multiply
    66,928,923.68x = 100,397,997.47 × 28,028,208.34
  4. Step 4: Simplify right side
    66,928,923.68x = 2,813,975,989,827,028
  5. Step 5: Solve for x
    x = 2,813,975,989,827,028/66,928,923.68
  6. Step 6: Final answer
    x = 42,044,243.88

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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.