Home / 141,246,141.70-212,004,514.95-73,137,712.90

Finding the Fourth Proportional to 141,246,141.70, 212,004,514.95 and 73,137,712.90

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Solution

The fourth proportional to 141,246,141.70, 212,004,514.95 and 73,137,712.90 is: 109,776,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246,141.70 : 212,004,514.95 = 73,137,712.90 : x
  2. Step 2: Convert to fraction form
    141,246,141.70/212,004,514.95 = 73,137,712.90/x
  3. Step 3: Cross multiply
    141,246,141.70x = 212,004,514.95 × 73,137,712.90
  4. Step 4: Simplify right side
    141,246,141.70x = 15,505,525,347,916,858
  5. Step 5: Solve for x
    x = 15,505,525,347,916,858/141,246,141.70
  6. Step 6: Final answer
    x = 109,776,629.37

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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.