Home / 106,514,961.70-159,772,442.55-84,991,601.20

Finding the Fourth Proportional to 106,514,961.70, 159,772,442.55 and 84,991,601.20

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Solution

The fourth proportional to 106,514,961.70, 159,772,442.55 and 84,991,601.20 is: 127,487,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514,961.70 : 159,772,442.55 = 84,991,601.20 : x
  2. Step 2: Convert to fraction form
    106,514,961.70/159,772,442.55 = 84,991,601.20/x
  3. Step 3: Cross multiply
    106,514,961.70x = 159,772,442.55 × 84,991,601.20
  4. Step 4: Simplify right side
    106,514,961.70x = 13,579,315,719,959,512
  5. Step 5: Solve for x
    x = 13,579,315,719,959,512/106,514,961.70
  6. Step 6: Final answer
    x = 127,487,401.80

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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.