Home / 196,019,134.40-270,522,216.78-112,395,044.90

Finding the Fourth Proportional to 196,019,134.40, 270,522,216.78 and 112,395,044.90

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Solution

The fourth proportional to 196,019,134.40, 270,522,216.78 and 112,395,044.90 is: 155,114,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,019,134.40 : 270,522,216.78 = 112,395,044.90 : x
  2. Step 2: Convert to fraction form
    196,019,134.40/270,522,216.78 = 112,395,044.90/x
  3. Step 3: Cross multiply
    196,019,134.40x = 270,522,216.78 × 112,395,044.90
  4. Step 4: Simplify right side
    196,019,134.40x = 30,405,356,701,435,632
  5. Step 5: Solve for x
    x = 30,405,356,701,435,632/196,019,134.40
  6. Step 6: Final answer
    x = 155,114,227.98

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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.