Home / 68,829,019.62-103,205,792.90-27,287,812.86

Finding the Fourth Proportional to 68,829,019.62, 103,205,792.90 and 27,287,812.86

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Solution

The fourth proportional to 68,829,019.62, 103,205,792.90 and 27,287,812.86 is: 40,916,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829,019.62 : 103,205,792.90 = 27,287,812.86 : x
  2. Step 2: Convert to fraction form
    68,829,019.62/103,205,792.90 = 27,287,812.86/x
  3. Step 3: Cross multiply
    68,829,019.62x = 103,205,792.90 × 27,287,812.86
  4. Step 4: Simplify right side
    68,829,019.62x = 2,816,260,362,723,117
  5. Step 5: Solve for x
    x = 2,816,260,362,723,117/68,829,019.62
  6. Step 6: Final answer
    x = 40,916,758.34

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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.