Home / 161,669,125.57-242,500,206.93-45,081,374.85

Finding the Fourth Proportional to 161,669,125.57, 242,500,206.93 and 45,081,374.85

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Solution

The fourth proportional to 161,669,125.57, 242,500,206.93 and 45,081,374.85 is: 67,621,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,669,125.57 : 242,500,206.93 = 45,081,374.85 : x
  2. Step 2: Convert to fraction form
    161,669,125.57/242,500,206.93 = 45,081,374.85/x
  3. Step 3: Cross multiply
    161,669,125.57x = 242,500,206.93 × 45,081,374.85
  4. Step 4: Simplify right side
    161,669,125.57x = 10,932,242,730,186,204
  5. Step 5: Solve for x
    x = 10,932,242,730,186,204/161,669,125.57
  6. Step 6: Final answer
    x = 67,621,091.48

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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.