Home / 140,645,883.43-210,976,796.76-43,615,385.65

Finding the Fourth Proportional to 140,645,883.43, 210,976,796.76 and 43,615,385.65

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Solution

The fourth proportional to 140,645,883.43, 210,976,796.76 and 43,615,385.65 is: 65,425,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,645,883.43 : 210,976,796.76 = 43,615,385.65 : x
  2. Step 2: Convert to fraction form
    140,645,883.43/210,976,796.76 = 43,615,385.65/x
  3. Step 3: Cross multiply
    140,645,883.43x = 210,976,796.76 × 43,615,385.65
  4. Step 4: Simplify right side
    140,645,883.43x = 9,201,834,354,234,788
  5. Step 5: Solve for x
    x = 9,201,834,354,234,788/140,645,883.43
  6. Step 6: Final answer
    x = 65,425,550.54

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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.