Home / 105,469,969,421.13-145,561,035,512.94-62,650,621,467.78

Finding the Fourth Proportional to 105,469,969,421.13, 145,561,035,512.94 and 62,650,621,467.78

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Solution

The fourth proportional to 105,469,969,421.13, 145,561,035,512.94 and 62,650,621,467.78 is: 86,465,269,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469,969,421.13 : 145,561,035,512.94 = 62,650,621,467.78 : x
  2. Step 2: Convert to fraction form
    105,469,969,421.13/145,561,035,512.94 = 62,650,621,467.78/x
  3. Step 3: Cross multiply
    105,469,969,421.13x = 145,561,035,512.94 × 62,650,621,467.78
  4. Step 4: Simplify right side
    105,469,969,421.13x = 9,119,489,336,379,285,962,752
  5. Step 5: Solve for x
    x = 9,119,489,336,379,285,962,752/105,469,969,421.13
  6. Step 6: Final answer
    x = 86,465,269,559.02

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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.