Home / 144,319,881.57-199,162,997.24-84,783,687.22

Finding the Fourth Proportional to 144,319,881.57, 199,162,997.24 and 84,783,687.22

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Solution

The fourth proportional to 144,319,881.57, 199,162,997.24 and 84,783,687.22 is: 117,002,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,319,881.57 : 199,162,997.24 = 84,783,687.22 : x
  2. Step 2: Convert to fraction form
    144,319,881.57/199,162,997.24 = 84,783,687.22/x
  3. Step 3: Cross multiply
    144,319,881.57x = 199,162,997.24 × 84,783,687.22
  4. Step 4: Simplify right side
    144,319,881.57x = 16,885,773,263,618,920
  5. Step 5: Solve for x
    x = 16,885,773,263,618,920/144,319,881.57
  6. Step 6: Final answer
    x = 117,002,405.22

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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.