Home / 311,444,810.20-467,167,215.30-81,437,145.40

Finding the Fourth Proportional to 311,444,810.20, 467,167,215.30 and 81,437,145.40

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Solution

The fourth proportional to 311,444,810.20, 467,167,215.30 and 81,437,145.40 is: 122,155,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,444,810.20 : 467,167,215.30 = 81,437,145.40 : x
  2. Step 2: Convert to fraction form
    311,444,810.20/467,167,215.30 = 81,437,145.40/x
  3. Step 3: Cross multiply
    311,444,810.20x = 467,167,215.30 × 81,437,145.40
  4. Step 4: Simplify right side
    311,444,810.20x = 38,044,764,438,499,208
  5. Step 5: Solve for x
    x = 38,044,764,438,499,208/311,444,810.20
  6. Step 6: Final answer
    x = 122,155,718.10

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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.