Home / 251,001,018.70-346,273,959.89-156,751,540.45

Finding the Fourth Proportional to 251,001,018.70, 346,273,959.89 and 156,751,540.45

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Solution

The fourth proportional to 251,001,018.70, 346,273,959.89 and 156,751,540.45 is: 216,250,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,001,018.70 : 346,273,959.89 = 156,751,540.45 : x
  2. Step 2: Convert to fraction form
    251,001,018.70/346,273,959.89 = 156,751,540.45/x
  3. Step 3: Cross multiply
    251,001,018.70x = 346,273,959.89 × 156,751,540.45
  4. Step 4: Simplify right side
    251,001,018.70x = 54,278,976,630,479,008
  5. Step 5: Solve for x
    x = 54,278,976,630,479,008/251,001,018.70
  6. Step 6: Final answer
    x = 216,250,025.25

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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.