Home / 202,128,682.40-303,193,023.60-186,823,181.60

Finding the Fourth Proportional to 202,128,682.40, 303,193,023.60 and 186,823,181.60

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Solution

The fourth proportional to 202,128,682.40, 303,193,023.60 and 186,823,181.60 is: 280,234,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,128,682.40 : 303,193,023.60 = 186,823,181.60 : x
  2. Step 2: Convert to fraction form
    202,128,682.40/303,193,023.60 = 186,823,181.60/x
  3. Step 3: Cross multiply
    202,128,682.40x = 303,193,023.60 × 186,823,181.60
  4. Step 4: Simplify right side
    202,128,682.40x = 56,643,485,307,875,888
  5. Step 5: Solve for x
    x = 56,643,485,307,875,888/202,128,682.40
  6. Step 6: Final answer
    x = 280,234,772.40

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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.