Home / 79,169,954.53-109,189,762.42-55,726,099.12

Finding the Fourth Proportional to 79,169,954.53, 109,189,762.42 and 55,726,099.12

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Solution

The fourth proportional to 79,169,954.53, 109,189,762.42 and 55,726,099.12 is: 76,856,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169,954.53 : 109,189,762.42 = 55,726,099.12 : x
  2. Step 2: Convert to fraction form
    79,169,954.53/109,189,762.42 = 55,726,099.12/x
  3. Step 3: Cross multiply
    79,169,954.53x = 109,189,762.42 × 55,726,099.12
  4. Step 4: Simplify right side
    79,169,954.53x = 6,084,719,523,506,171
  5. Step 5: Solve for x
    x = 6,084,719,523,506,171/79,169,954.53
  6. Step 6: Final answer
    x = 76,856,423.12

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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.