Home / 116,812,814.70-161,183,777.97-67,243,610.40

Finding the Fourth Proportional to 116,812,814.70, 161,183,777.97 and 67,243,610.40

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Solution

The fourth proportional to 116,812,814.70, 161,183,777.97 and 67,243,610.40 is: 92,785,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,812,814.70 : 161,183,777.97 = 67,243,610.40 : x
  2. Step 2: Convert to fraction form
    116,812,814.70/161,183,777.97 = 67,243,610.40/x
  3. Step 3: Cross multiply
    116,812,814.70x = 161,183,777.97 × 67,243,610.40
  4. Step 4: Simplify right side
    116,812,814.70x = 10,838,579,168,614,784
  5. Step 5: Solve for x
    x = 10,838,579,168,614,784/116,812,814.70
  6. Step 6: Final answer
    x = 92,785,874.53

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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.