Home / 203,626,794.40-305,440,191.60-74,238,625.60

Finding the Fourth Proportional to 203,626,794.40, 305,440,191.60 and 74,238,625.60

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Solution

The fourth proportional to 203,626,794.40, 305,440,191.60 and 74,238,625.60 is: 111,357,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,626,794.40 : 305,440,191.60 = 74,238,625.60 : x
  2. Step 2: Convert to fraction form
    203,626,794.40/305,440,191.60 = 74,238,625.60/x
  3. Step 3: Cross multiply
    203,626,794.40x = 305,440,191.60 × 74,238,625.60
  4. Step 4: Simplify right side
    203,626,794.40x = 22,675,460,027,384,664
  5. Step 5: Solve for x
    x = 22,675,460,027,384,664/203,626,794.40
  6. Step 6: Final answer
    x = 111,357,938.40

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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.