Home / 200,264,481.60-300,430,638.60-69,071,135.64

Finding the Fourth Proportional to 200,264,481.60, 300,430,638.60 and 69,071,135.64

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Solution

The fourth proportional to 200,264,481.60, 300,430,638.60 and 69,071,135.64 is: 103,618,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,264,481.60 : 300,430,638.60 = 69,071,135.64 : x
  2. Step 2: Convert to fraction form
    200,264,481.60/300,430,638.60 = 69,071,135.64/x
  3. Step 3: Cross multiply
    200,264,481.60x = 300,430,638.60 × 69,071,135.64
  4. Step 4: Simplify right side
    200,264,481.60x = 20,751,085,389,152,420
  5. Step 5: Solve for x
    x = 20,751,085,389,152,420/200,264,481.60
  6. Step 6: Final answer
    x = 103,618,401.14

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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.