Home / 178,897,111.20-268,345,666.80-161,678,422.80

Finding the Fourth Proportional to 178,897,111.20, 268,345,666.80 and 161,678,422.80

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Solution

The fourth proportional to 178,897,111.20, 268,345,666.80 and 161,678,422.80 is: 242,517,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,897,111.20 : 268,345,666.80 = 161,678,422.80 : x
  2. Step 2: Convert to fraction form
    178,897,111.20/268,345,666.80 = 161,678,422.80/x
  3. Step 3: Cross multiply
    178,897,111.20x = 268,345,666.80 × 161,678,422.80
  4. Step 4: Simplify right side
    178,897,111.20x = 43,385,704,173,438,328
  5. Step 5: Solve for x
    x = 43,385,704,173,438,328/178,897,111.20
  6. Step 6: Final answer
    x = 242,517,634.20

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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.