Home / 79,331,703.41-118,994,355.72-40,469,302.89

Finding the Fourth Proportional to 79,331,703.41, 118,994,355.72 and 40,469,302.89

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Solution

The fourth proportional to 79,331,703.41, 118,994,355.72 and 40,469,302.89 is: 60,702,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331,703.41 : 118,994,355.72 = 40,469,302.89 : x
  2. Step 2: Convert to fraction form
    79,331,703.41/118,994,355.72 = 40,469,302.89/x
  3. Step 3: Cross multiply
    79,331,703.41x = 118,994,355.72 × 40,469,302.89
  4. Step 4: Simplify right side
    79,331,703.41x = 4,815,618,623,833,084
  5. Step 5: Solve for x
    x = 4,815,618,623,833,084/79,331,703.41
  6. Step 6: Final answer
    x = 60,702,322.23

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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.