Home / 68,351,999.80-102,527,999.70-63,839,846.20

Finding the Fourth Proportional to 68,351,999.80, 102,527,999.70 and 63,839,846.20

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Solution

The fourth proportional to 68,351,999.80, 102,527,999.70 and 63,839,846.20 is: 95,759,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351,999.80 : 102,527,999.70 = 63,839,846.20 : x
  2. Step 2: Convert to fraction form
    68,351,999.80/102,527,999.70 = 63,839,846.20/x
  3. Step 3: Cross multiply
    68,351,999.80x = 102,527,999.70 × 63,839,846.20
  4. Step 4: Simplify right side
    68,351,999.80x = 6,545,371,732,041,647
  5. Step 5: Solve for x
    x = 6,545,371,732,041,647/68,351,999.80
  6. Step 6: Final answer
    x = 95,759,769.30

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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.