Home / 107,976,705.33-149,004,168.70-61,581,906.03

Finding the Fourth Proportional to 107,976,705.33, 149,004,168.70 and 61,581,906.03

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Solution

The fourth proportional to 107,976,705.33, 149,004,168.70 and 61,581,906.03 is: 84,980,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976,705.33 : 149,004,168.70 = 61,581,906.03 : x
  2. Step 2: Convert to fraction form
    107,976,705.33/149,004,168.70 = 61,581,906.03/x
  3. Step 3: Cross multiply
    107,976,705.33x = 149,004,168.70 × 61,581,906.03
  4. Step 4: Simplify right side
    107,976,705.33x = 9,175,960,714,961,666
  5. Step 5: Solve for x
    x = 9,175,960,714,961,666/107,976,705.33
  6. Step 6: Final answer
    x = 84,980,928.87

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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.