Home / 68,015,004.30-102,022,506.45-65,369,609.10

Finding the Fourth Proportional to 68,015,004.30, 102,022,506.45 and 65,369,609.10

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Solution

The fourth proportional to 68,015,004.30, 102,022,506.45 and 65,369,609.10 is: 98,054,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015,004.30 : 102,022,506.45 = 65,369,609.10 : x
  2. Step 2: Convert to fraction form
    68,015,004.30/102,022,506.45 = 65,369,609.10/x
  3. Step 3: Cross multiply
    68,015,004.30x = 102,022,506.45 × 65,369,609.10
  4. Step 4: Simplify right side
    68,015,004.30x = 6,669,171,366,038,729
  5. Step 5: Solve for x
    x = 6,669,171,366,038,729/68,015,004.30
  6. Step 6: Final answer
    x = 98,054,413.65

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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.