Home / 116,979,305.04-161,436,484.08-64,768,338.81

Finding the Fourth Proportional to 116,979,305.04, 161,436,484.08 and 64,768,338.81

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Solution

The fourth proportional to 116,979,305.04, 161,436,484.08 and 64,768,338.81 is: 89,383,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979,305.04 : 161,436,484.08 = 64,768,338.81 : x
  2. Step 2: Convert to fraction form
    116,979,305.04/161,436,484.08 = 64,768,338.81/x
  3. Step 3: Cross multiply
    116,979,305.04x = 161,436,484.08 × 64,768,338.81
  4. Step 4: Simplify right side
    116,979,305.04x = 10,455,972,897,188,612
  5. Step 5: Solve for x
    x = 10,455,972,897,188,612/116,979,305.04
  6. Step 6: Final answer
    x = 89,383,099.80

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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.