Home / 393,678,566.20-590,517,849.30-102,545,126.20

Finding the Fourth Proportional to 393,678,566.20, 590,517,849.30 and 102,545,126.20

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Solution

The fourth proportional to 393,678,566.20, 590,517,849.30 and 102,545,126.20 is: 153,817,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,678,566.20 : 590,517,849.30 = 102,545,126.20 : x
  2. Step 2: Convert to fraction form
    393,678,566.20/590,517,849.30 = 102,545,126.20/x
  3. Step 3: Cross multiply
    393,678,566.20x = 590,517,849.30 × 102,545,126.20
  4. Step 4: Simplify right side
    393,678,566.20x = 60,554,727,379,821,080
  5. Step 5: Solve for x
    x = 60,554,727,379,821,080/393,678,566.20
  6. Step 6: Final answer
    x = 153,817,689.30

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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.