Home / 345,629,436.21-518,444,679.24-141,157,511.46

Finding the Fourth Proportional to 345,629,436.21, 518,444,679.24 and 141,157,511.46

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Solution

The fourth proportional to 345,629,436.21, 518,444,679.24 and 141,157,511.46 is: 211,736,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,629,436.21 : 518,444,679.24 = 141,157,511.46 : x
  2. Step 2: Convert to fraction form
    345,629,436.21/518,444,679.24 = 141,157,511.46/x
  3. Step 3: Cross multiply
    345,629,436.21x = 518,444,679.24 × 141,157,511.46
  4. Step 4: Simplify right side
    345,629,436.21x = 73,182,360,751,196,336
  5. Step 5: Solve for x
    x = 73,182,360,751,196,336/345,629,436.21
  6. Step 6: Final answer
    x = 211,736,481.57

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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.