Home / 439,872,994.80-659,641,530.60-133,063,138.80

Finding the Fourth Proportional to 439,872,994.80, 659,641,530.60 and 133,063,138.80

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Solution

The fourth proportional to 439,872,994.80, 659,641,530.60 and 133,063,138.80 is: 199,543,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,872,994.80 : 659,641,530.60 = 133,063,138.80 : x
  2. Step 2: Convert to fraction form
    439,872,994.80/659,641,530.60 = 133,063,138.80/x
  3. Step 3: Cross multiply
    439,872,994.80x = 659,641,530.60 × 133,063,138.80
  4. Step 4: Simplify right side
    439,872,994.80x = 87,773,972,544,472,256
  5. Step 5: Solve for x
    x = 87,773,972,544,472,256/439,872,994.80
  6. Step 6: Final answer
    x = 199,543,899.22

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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.