Home / 209,952,190.80-314,928,286.20-73,651,352.40

Finding the Fourth Proportional to 209,952,190.80, 314,928,286.20 and 73,651,352.40

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Solution

The fourth proportional to 209,952,190.80, 314,928,286.20 and 73,651,352.40 is: 110,477,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,190.80 : 314,928,286.20 = 73,651,352.40 : x
  2. Step 2: Convert to fraction form
    209,952,190.80/314,928,286.20 = 73,651,352.40/x
  3. Step 3: Cross multiply
    209,952,190.80x = 314,928,286.20 × 73,651,352.40
  4. Step 4: Simplify right side
    209,952,190.80x = 23,194,894,187,644,256
  5. Step 5: Solve for x
    x = 23,194,894,187,644,256/209,952,190.80
  6. Step 6: Final answer
    x = 110,477,028.60

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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.