Home / 86,231,170.40-129,346,755.60-43,107,029.60

Finding the Fourth Proportional to 86,231,170.40, 129,346,755.60 and 43,107,029.60

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Solution

The fourth proportional to 86,231,170.40, 129,346,755.60 and 43,107,029.60 is: 64,660,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231,170.40 : 129,346,755.60 = 43,107,029.60 : x
  2. Step 2: Convert to fraction form
    86,231,170.40/129,346,755.60 = 43,107,029.60/x
  3. Step 3: Cross multiply
    86,231,170.40x = 129,346,755.60 × 43,107,029.60
  4. Step 4: Simplify right side
    86,231,170.40x = 5,575,754,422,313,166
  5. Step 5: Solve for x
    x = 5,575,754,422,313,166/86,231,170.40
  6. Step 6: Final answer
    x = 64,660,544.40

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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.