Home / 124,993,294.25-186,729,714.56-80,914,965.01

Finding the Fourth Proportional to 124,993,294.25, 186,729,714.56 and 80,914,965.01

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Solution

The fourth proportional to 124,993,294.25, 186,729,714.56 and 80,914,965.01 is: 120,880,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,993,294.25 : 186,729,714.56 = 80,914,965.01 : x
  2. Step 2: Convert to fraction form
    124,993,294.25/186,729,714.56 = 80,914,965.01/x
  3. Step 3: Cross multiply
    124,993,294.25x = 186,729,714.56 × 80,914,965.01
  4. Step 4: Simplify right side
    124,993,294.25x = 15,109,228,319,685,150
  5. Step 5: Solve for x
    x = 15,109,228,319,685,150/124,993,294.25
  6. Step 6: Final answer
    x = 120,880,311.31

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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.