Home / 449,010,134.51-673,516,764.11-138,115,640.48

Finding the Fourth Proportional to 449,010,134.51, 673,516,764.11 and 138,115,640.48

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Solution

The fourth proportional to 449,010,134.51, 673,516,764.11 and 138,115,640.48 is: 207,173,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,010,134.51 : 673,516,764.11 = 138,115,640.48 : x
  2. Step 2: Convert to fraction form
    449,010,134.51/673,516,764.11 = 138,115,640.48/x
  3. Step 3: Cross multiply
    449,010,134.51x = 673,516,764.11 × 138,115,640.48
  4. Step 4: Simplify right side
    449,010,134.51x = 93,023,199,245,011,568
  5. Step 5: Solve for x
    x = 93,023,199,245,011,568/449,010,134.51
  6. Step 6: Final answer
    x = 207,173,941.29

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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.