Home / 165,081,812.10-247,622,718.15-162,530,895.30

Finding the Fourth Proportional to 165,081,812.10, 247,622,718.15 and 162,530,895.30

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Solution

The fourth proportional to 165,081,812.10, 247,622,718.15 and 162,530,895.30 is: 243,796,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081,812.10 : 247,622,718.15 = 162,530,895.30 : x
  2. Step 2: Convert to fraction form
    165,081,812.10/247,622,718.15 = 162,530,895.30/x
  3. Step 3: Cross multiply
    165,081,812.10x = 247,622,718.15 × 162,530,895.30
  4. Step 4: Simplify right side
    165,081,812.10x = 40,246,342,077,539,064
  5. Step 5: Solve for x
    x = 40,246,342,077,539,064/165,081,812.10
  6. Step 6: Final answer
    x = 243,796,342.95

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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.