Home / 111,105,690.40-166,608,769.20-50,490,215.20

Finding the Fourth Proportional to 111,105,690.40, 166,608,769.20 and 50,490,215.20

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Solution

The fourth proportional to 111,105,690.40, 166,608,769.20 and 50,490,215.20 is: 75,712,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,105,690.40 : 166,608,769.20 = 50,490,215.20 : x
  2. Step 2: Convert to fraction form
    111,105,690.40/166,608,769.20 = 50,490,215.20/x
  3. Step 3: Cross multiply
    111,105,690.40x = 166,608,769.20 × 50,490,215.20
  4. Step 4: Simplify right side
    111,105,690.40x = 8,412,112,611,115,132
  5. Step 5: Solve for x
    x = 8,412,112,611,115,132/111,105,690.40
  6. Step 6: Final answer
    x = 75,712,707.25

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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.