Home / 161,723,985.56-242,611,059.81-68,351,350.11

Finding the Fourth Proportional to 161,723,985.56, 242,611,059.81 and 68,351,350.11

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Solution

The fourth proportional to 161,723,985.56, 242,611,059.81 and 68,351,350.11 is: 102,537,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,723,985.56 : 242,611,059.81 = 68,351,350.11 : x
  2. Step 2: Convert to fraction form
    161,723,985.56/242,611,059.81 = 68,351,350.11/x
  3. Step 3: Cross multiply
    161,723,985.56x = 242,611,059.81 × 68,351,350.11
  4. Step 4: Simplify right side
    161,723,985.56x = 16,582,793,489,631,460
  5. Step 5: Solve for x
    x = 16,582,793,489,631,460/161,723,985.56
  6. Step 6: Final answer
    x = 102,537,625.65

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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.