Home / 209,113,750.80-313,670,626.20-122,893,462.80

Finding the Fourth Proportional to 209,113,750.80, 313,670,626.20 and 122,893,462.80

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Solution

The fourth proportional to 209,113,750.80, 313,670,626.20 and 122,893,462.80 is: 184,340,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,113,750.80 : 313,670,626.20 = 122,893,462.80 : x
  2. Step 2: Convert to fraction form
    209,113,750.80/313,670,626.20 = 122,893,462.80/x
  3. Step 3: Cross multiply
    209,113,750.80x = 313,670,626.20 × 122,893,462.80
  4. Step 4: Simplify right side
    209,113,750.80x = 38,548,069,432,362,400
  5. Step 5: Solve for x
    x = 38,548,069,432,362,400/209,113,750.80
  6. Step 6: Final answer
    x = 184,340,194.20

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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.