Home / 205,416,063.18-282,997,743.03-143,438,232.78

Finding the Fourth Proportional to 205,416,063.18, 282,997,743.03 and 143,438,232.78

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Solution

The fourth proportional to 205,416,063.18, 282,997,743.03 and 143,438,232.78 is: 197,612,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,416,063.18 : 282,997,743.03 = 143,438,232.78 : x
  2. Step 2: Convert to fraction form
    205,416,063.18/282,997,743.03 = 143,438,232.78/x
  3. Step 3: Cross multiply
    205,416,063.18x = 282,997,743.03 × 143,438,232.78
  4. Step 4: Simplify right side
    205,416,063.18x = 40,592,696,140,951,760
  5. Step 5: Solve for x
    x = 40,592,696,140,951,760/205,416,063.18
  6. Step 6: Final answer
    x = 197,612,083.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.