Home / 111,702,006.80-167,553,010.20-54,306,378.80

Finding the Fourth Proportional to 111,702,006.80, 167,553,010.20 and 54,306,378.80

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Solution

The fourth proportional to 111,702,006.80, 167,553,010.20 and 54,306,378.80 is: 81,459,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702,006.80 : 167,553,010.20 = 54,306,378.80 : x
  2. Step 2: Convert to fraction form
    111,702,006.80/167,553,010.20 = 54,306,378.80/x
  3. Step 3: Cross multiply
    111,702,006.80x = 167,553,010.20 × 54,306,378.80
  4. Step 4: Simplify right side
    111,702,006.80x = 9,099,197,241,001,462
  5. Step 5: Solve for x
    x = 9,099,197,241,001,462/111,702,006.80
  6. Step 6: Final answer
    x = 81,459,568.20

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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.