Home / 238,235,816.20-357,353,724.30-214,049,345.80

Finding the Fourth Proportional to 238,235,816.20, 357,353,724.30 and 214,049,345.80

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Solution

The fourth proportional to 238,235,816.20, 357,353,724.30 and 214,049,345.80 is: 321,074,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,235,816.20 : 357,353,724.30 = 214,049,345.80 : x
  2. Step 2: Convert to fraction form
    238,235,816.20/357,353,724.30 = 214,049,345.80/x
  3. Step 3: Cross multiply
    238,235,816.20x = 357,353,724.30 × 214,049,345.80
  4. Step 4: Simplify right side
    238,235,816.20x = 76,491,330,905,608,576
  5. Step 5: Solve for x
    x = 76,491,330,905,608,576/238,235,816.20
  6. Step 6: Final answer
    x = 321,074,018.70

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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.