Home / 209,933,007.90-314,668,564.65-73,548,188.70

Finding the Fourth Proportional to 209,933,007.90, 314,668,564.65 and 73,548,188.70

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Solution

The fourth proportional to 209,933,007.90, 314,668,564.65 and 73,548,188.70 is: 110,241,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933,007.90 : 314,668,564.65 = 73,548,188.70 : x
  2. Step 2: Convert to fraction form
    209,933,007.90/314,668,564.65 = 73,548,188.70/x
  3. Step 3: Cross multiply
    209,933,007.90x = 314,668,564.65 × 73,548,188.70
  4. Step 4: Simplify right side
    209,933,007.90x = 23,143,302,970,836,348
  5. Step 5: Solve for x
    x = 23,143,302,970,836,348/209,933,007.90
  6. Step 6: Final answer
    x = 110,241,372.72

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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.