Home / 196,019,018.64-270,522,057.40-112,394,929.24

Finding the Fourth Proportional to 196,019,018.64, 270,522,057.40 and 112,394,929.24

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Solution

The fourth proportional to 196,019,018.64, 270,522,057.40 and 112,394,929.24 is: 155,114,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,019,018.64 : 270,522,057.40 = 112,394,929.24 : x
  2. Step 2: Convert to fraction form
    196,019,018.64/270,522,057.40 = 112,394,929.24/x
  3. Step 3: Cross multiply
    196,019,018.64x = 270,522,057.40 × 112,394,929.24
  4. Step 4: Simplify right side
    196,019,018.64x = 30,405,307,499,332,216
  5. Step 5: Solve for x
    x = 30,405,307,499,332,216/196,019,018.64
  6. Step 6: Final answer
    x = 155,114,068.58

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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.