Home / 209,933,015.40-314,668,575.90-73,548,196.20

Finding the Fourth Proportional to 209,933,015.40, 314,668,575.90 and 73,548,196.20

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Solution

The fourth proportional to 209,933,015.40, 314,668,575.90 and 73,548,196.20 is: 110,241,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933,015.40 : 314,668,575.90 = 73,548,196.20 : x
  2. Step 2: Convert to fraction form
    209,933,015.40/314,668,575.90 = 73,548,196.20/x
  3. Step 3: Cross multiply
    209,933,015.40x = 314,668,575.90 × 73,548,196.20
  4. Step 4: Simplify right side
    209,933,015.40x = 23,143,306,158,267,792
  5. Step 5: Solve for x
    x = 23,143,306,158,267,792/209,933,015.40
  6. Step 6: Final answer
    x = 110,241,383.97

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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.