Home / 209,961,621.20-314,942,431.80-73,597,797.20

Finding the Fourth Proportional to 209,961,621.20, 314,942,431.80 and 73,597,797.20

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Solution

The fourth proportional to 209,961,621.20, 314,942,431.80 and 73,597,797.20 is: 110,396,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961,621.20 : 314,942,431.80 = 73,597,797.20 : x
  2. Step 2: Convert to fraction form
    209,961,621.20/314,942,431.80 = 73,597,797.20/x
  3. Step 3: Cross multiply
    209,961,621.20x = 314,942,431.80 × 73,597,797.20
  4. Step 4: Simplify right side
    209,961,621.20x = 23,179,069,225,291,232
  5. Step 5: Solve for x
    x = 23,179,069,225,291,232/209,961,621.20
  6. Step 6: Final answer
    x = 110,396,695.80

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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.