Home / 79,002,179.40-118,478,764.44-27,872,241.60

Finding the Fourth Proportional to 79,002,179.40, 118,478,764.44 and 27,872,241.60

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Solution

The fourth proportional to 79,002,179.40, 118,478,764.44 and 27,872,241.60 is: 41,799,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,002,179.40 : 118,478,764.44 = 27,872,241.60 : x
  2. Step 2: Convert to fraction form
    79,002,179.40/118,478,764.44 = 27,872,241.60/x
  3. Step 3: Cross multiply
    79,002,179.40x = 118,478,764.44 × 27,872,241.60
  4. Step 4: Simplify right side
    79,002,179.40x = 3,302,268,746,941,169
  5. Step 5: Solve for x
    x = 3,302,268,746,941,169/79,002,179.40
  6. Step 6: Final answer
    x = 41,799,717.07

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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.