Home / 220,396,500.03-330,642,579.74-67,038,570.66

Finding the Fourth Proportional to 220,396,500.03, 330,642,579.74 and 67,038,570.66

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Solution

The fourth proportional to 220,396,500.03, 330,642,579.74 and 67,038,570.66 is: 100,572,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,396,500.03 : 330,642,579.74 = 67,038,570.66 : x
  2. Step 2: Convert to fraction form
    220,396,500.03/330,642,579.74 = 67,038,570.66/x
  3. Step 3: Cross multiply
    220,396,500.03x = 330,642,579.74 × 67,038,570.66
  4. Step 4: Simplify right side
    220,396,500.03x = 22,165,805,944,769,480
  5. Step 5: Solve for x
    x = 22,165,805,944,769,480/220,396,500.03
  6. Step 6: Final answer
    x = 100,572,404.47

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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.