Home / 284,313,694.50-426,470,541.75-68,902,942.50

Finding the Fourth Proportional to 284,313,694.50, 426,470,541.75 and 68,902,942.50

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Solution

The fourth proportional to 284,313,694.50, 426,470,541.75 and 68,902,942.50 is: 103,354,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,313,694.50 : 426,470,541.75 = 68,902,942.50 : x
  2. Step 2: Convert to fraction form
    284,313,694.50/426,470,541.75 = 68,902,942.50/x
  3. Step 3: Cross multiply
    284,313,694.50x = 426,470,541.75 × 68,902,942.50
  4. Step 4: Simplify right side
    284,313,694.50x = 29,385,075,216,144,100
  5. Step 5: Solve for x
    x = 29,385,075,216,144,100/284,313,694.50
  6. Step 6: Final answer
    x = 103,354,413.75

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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.