Home / 403,974,943.26-605,980,416.33-123,835,212.06

Finding the Fourth Proportional to 403,974,943.26, 605,980,416.33 and 123,835,212.06

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Solution

The fourth proportional to 403,974,943.26, 605,980,416.33 and 123,835,212.06 is: 185,758,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,974,943.26 : 605,980,416.33 = 123,835,212.06 : x
  2. Step 2: Convert to fraction form
    403,974,943.26/605,980,416.33 = 123,835,212.06/x
  3. Step 3: Cross multiply
    403,974,943.26x = 605,980,416.33 × 123,835,212.06
  4. Step 4: Simplify right side
    403,974,943.26x = 75,041,713,360,432,640
  5. Step 5: Solve for x
    x = 75,041,713,360,432,640/403,974,943.26
  6. Step 6: Final answer
    x = 185,758,336.28

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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.