Home / 220,396,499.53-330,642,578.98-67,038,570.16

Finding the Fourth Proportional to 220,396,499.53, 330,642,578.98 and 67,038,570.16

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Solution

The fourth proportional to 220,396,499.53, 330,642,578.98 and 67,038,570.16 is: 100,572,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,396,499.53 : 330,642,578.98 = 67,038,570.16 : x
  2. Step 2: Convert to fraction form
    220,396,499.53/330,642,578.98 = 67,038,570.16/x
  3. Step 3: Cross multiply
    220,396,499.53x = 330,642,578.98 × 67,038,570.16
  4. Step 4: Simplify right side
    220,396,499.53x = 22,165,805,728,834,072
  5. Step 5: Solve for x
    x = 22,165,805,728,834,072/220,396,499.53
  6. Step 6: Final answer
    x = 100,572,403.72

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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.