Home / 243,543,881.50-365,315,815.19-112,347,340.15

Finding the Fourth Proportional to 243,543,881.50, 365,315,815.19 and 112,347,340.15

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Solution

The fourth proportional to 243,543,881.50, 365,315,815.19 and 112,347,340.15 is: 168,521,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,543,881.50 : 365,315,815.19 = 112,347,340.15 : x
  2. Step 2: Convert to fraction form
    243,543,881.50/365,315,815.19 = 112,347,340.15/x
  3. Step 3: Cross multiply
    243,543,881.50x = 365,315,815.19 × 112,347,340.15
  4. Step 4: Simplify right side
    243,543,881.50x = 41,042,260,150,763,736
  5. Step 5: Solve for x
    x = 41,042,260,150,763,736/243,543,881.50
  6. Step 6: Final answer
    x = 168,521,006.97

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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.