Home / 388,440,498.80-582,660,748.20-101,226,162.80

Finding the Fourth Proportional to 388,440,498.80, 582,660,748.20 and 101,226,162.80

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Solution

The fourth proportional to 388,440,498.80, 582,660,748.20 and 101,226,162.80 is: 151,839,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,440,498.80 : 582,660,748.20 = 101,226,162.80 : x
  2. Step 2: Convert to fraction form
    388,440,498.80/582,660,748.20 = 101,226,162.80/x
  3. Step 3: Cross multiply
    388,440,498.80x = 582,660,748.20 × 101,226,162.80
  4. Step 4: Simplify right side
    388,440,498.80x = 58,980,511,754,463,008
  5. Step 5: Solve for x
    x = 58,980,511,754,463,008/388,440,498.80
  6. Step 6: Final answer
    x = 151,839,244.20

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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.