Home / 209,933,128.40-314,668,745.40-73,548,309.20

Finding the Fourth Proportional to 209,933,128.40, 314,668,745.40 and 73,548,309.20

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Solution

The fourth proportional to 209,933,128.40, 314,668,745.40 and 73,548,309.20 is: 110,241,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933,128.40 : 314,668,745.40 = 73,548,309.20 : x
  2. Step 2: Convert to fraction form
    209,933,128.40/314,668,745.40 = 73,548,309.20/x
  3. Step 3: Cross multiply
    209,933,128.40x = 314,668,745.40 × 73,548,309.20
  4. Step 4: Simplify right side
    209,933,128.40x = 23,143,354,182,255,276
  5. Step 5: Solve for x
    x = 23,143,354,182,255,276/209,933,128.40
  6. Step 6: Final answer
    x = 110,241,553.39

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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.