Home / 393,678,580.20-590,517,870.30-102,545,140.20

Finding the Fourth Proportional to 393,678,580.20, 590,517,870.30 and 102,545,140.20

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Solution

The fourth proportional to 393,678,580.20, 590,517,870.30 and 102,545,140.20 is: 153,817,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,678,580.20 : 590,517,870.30 = 102,545,140.20 : x
  2. Step 2: Convert to fraction form
    393,678,580.20/590,517,870.30 = 102,545,140.20/x
  3. Step 3: Cross multiply
    393,678,580.20x = 590,517,870.30 × 102,545,140.20
  4. Step 4: Simplify right side
    393,678,580.20x = 60,554,737,800,518,912
  5. Step 5: Solve for x
    x = 60,554,737,800,518,912/393,678,580.20
  6. Step 6: Final answer
    x = 153,817,710.30

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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.