Home / 262,440,244.20-393,660,366.30-80,663,802.60

Finding the Fourth Proportional to 262,440,244.20, 393,660,366.30 and 80,663,802.60

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Solution

The fourth proportional to 262,440,244.20, 393,660,366.30 and 80,663,802.60 is: 120,995,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,244.20 : 393,660,366.30 = 80,663,802.60 : x
  2. Step 2: Convert to fraction form
    262,440,244.20/393,660,366.30 = 80,663,802.60/x
  3. Step 3: Cross multiply
    262,440,244.20x = 393,660,366.30 × 80,663,802.60
  4. Step 4: Simplify right side
    262,440,244.20x = 31,754,142,078,666,892
  5. Step 5: Solve for x
    x = 31,754,142,078,666,892/262,440,244.20
  6. Step 6: Final answer
    x = 120,995,703.90

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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.