Home / 124,993,300.25-186,729,723.51-80,914,971.03

Finding the Fourth Proportional to 124,993,300.25, 186,729,723.51 and 80,914,971.03

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Solution

The fourth proportional to 124,993,300.25, 186,729,723.51 and 80,914,971.03 is: 120,880,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,993,300.25 : 186,729,723.51 = 80,914,971.03 : x
  2. Step 2: Convert to fraction form
    124,993,300.25/186,729,723.51 = 80,914,971.03/x
  3. Step 3: Cross multiply
    124,993,300.25x = 186,729,723.51 × 80,914,971.03
  4. Step 4: Simplify right side
    124,993,300.25x = 15,109,230,168,251,560
  5. Step 5: Solve for x
    x = 15,109,230,168,251,560/124,993,300.25
  6. Step 6: Final answer
    x = 120,880,320.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.