Home / 68,724,175.86-103,086,292.95-20,202,033.06

Finding the Fourth Proportional to 68,724,175.86, 103,086,292.95 and 20,202,033.06

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Solution

The fourth proportional to 68,724,175.86, 103,086,292.95 and 20,202,033.06 is: 30,303,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724,175.86 : 103,086,292.95 = 20,202,033.06 : x
  2. Step 2: Convert to fraction form
    68,724,175.86/103,086,292.95 = 20,202,033.06/x
  3. Step 3: Cross multiply
    68,724,175.86x = 103,086,292.95 × 20,202,033.06
  4. Step 4: Simplify right side
    68,724,175.86x = 2,082,552,698,208,744.75
  5. Step 5: Solve for x
    x = 2,082,552,698,208,744.75/68,724,175.86
  6. Step 6: Final answer
    x = 30,303,058.16

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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.