Home / 196,026,677.20-293,592,118.20-115,405,109.20

Finding the Fourth Proportional to 196,026,677.20, 293,592,118.20 and 115,405,109.20

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Solution

The fourth proportional to 196,026,677.20, 293,592,118.20 and 115,405,109.20 is: 172,843,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,026,677.20 : 293,592,118.20 = 115,405,109.20 : x
  2. Step 2: Convert to fraction form
    196,026,677.20/293,592,118.20 = 115,405,109.20/x
  3. Step 3: Cross multiply
    196,026,677.20x = 293,592,118.20 × 115,405,109.20
  4. Step 4: Simplify right side
    196,026,677.20x = 33,882,030,461,130,308
  5. Step 5: Solve for x
    x = 33,882,030,461,130,308/196,026,677.20
  6. Step 6: Final answer
    x = 172,843,976.88

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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.