Home / 196,018,623-270,500,932.08-107,911,916.28

Finding the Fourth Proportional to 196,018,623, 270,500,932.08 and 107,911,916.28

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Solution

The fourth proportional to 196,018,623, 270,500,932.08 and 107,911,916.28 is: 148,915,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,018,623 : 270,500,932.08 = 107,911,916.28 : x
  2. Step 2: Convert to fraction form
    196,018,623/270,500,932.08 = 107,911,916.28/x
  3. Step 3: Cross multiply
    196,018,623x = 270,500,932.08 × 107,911,916.28
  4. Step 4: Simplify right side
    196,018,623x = 29,190,273,936,278,924
  5. Step 5: Solve for x
    x = 29,190,273,936,278,924/196,018,623
  6. Step 6: Final answer
    x = 148,915,819.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.