Home / 451,835,998.80-677,848,476.60-145,159,112.40

Finding the Fourth Proportional to 451,835,998.80, 677,848,476.60 and 145,159,112.40

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Solution

The fourth proportional to 451,835,998.80, 677,848,476.60 and 145,159,112.40 is: 217,769,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,835,998.80 : 677,848,476.60 = 145,159,112.40 : x
  2. Step 2: Convert to fraction form
    451,835,998.80/677,848,476.60 = 145,159,112.40/x
  3. Step 3: Cross multiply
    451,835,998.80x = 677,848,476.60 × 145,159,112.40
  4. Step 4: Simplify right side
    451,835,998.80x = 98,395,883,204,948,176
  5. Step 5: Solve for x
    x = 98,395,883,204,948,176/451,835,998.80
  6. Step 6: Final answer
    x = 217,769,021.21

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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.