Home / 219,412,314.81-302,789,399.00-118,940,441.31

Finding the Fourth Proportional to 219,412,314.81, 302,789,399.00 and 118,940,441.31

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Solution

The fourth proportional to 219,412,314.81, 302,789,399.00 and 118,940,441.31 is: 164,138,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,412,314.81 : 302,789,399.00 = 118,940,441.31 : x
  2. Step 2: Convert to fraction form
    219,412,314.81/302,789,399.00 = 118,940,441.31/x
  3. Step 3: Cross multiply
    219,412,314.81x = 302,789,399.00 × 118,940,441.31
  4. Step 4: Simplify right side
    219,412,314.81x = 36,013,904,740,454,972
  5. Step 5: Solve for x
    x = 36,013,904,740,454,972/219,412,314.81
  6. Step 6: Final answer
    x = 164,138,028.31

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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.