Home / 276,970,861.80-382,186,489.86-159,534,385.56

Finding the Fourth Proportional to 276,970,861.80, 382,186,489.86 and 159,534,385.56

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Solution

The fourth proportional to 276,970,861.80, 382,186,489.86 and 159,534,385.56 is: 220,138,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,970,861.80 : 382,186,489.86 = 159,534,385.56 : x
  2. Step 2: Convert to fraction form
    276,970,861.80/382,186,489.86 = 159,534,385.56/x
  3. Step 3: Cross multiply
    276,970,861.80x = 382,186,489.86 × 159,534,385.56
  4. Step 4: Simplify right side
    276,970,861.80x = 60,971,886,829,148,272
  5. Step 5: Solve for x
    x = 60,971,886,829,148,272/276,970,861.80
  6. Step 6: Final answer
    x = 220,138,271.70

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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.