Home / 202,137,768.20-303,206,652.30-72,749,599.40

Finding the Fourth Proportional to 202,137,768.20, 303,206,652.30 and 72,749,599.40

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Solution

The fourth proportional to 202,137,768.20, 303,206,652.30 and 72,749,599.40 is: 109,124,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,137,768.20 : 303,206,652.30 = 72,749,599.40 : x
  2. Step 2: Convert to fraction form
    202,137,768.20/303,206,652.30 = 72,749,599.40/x
  3. Step 3: Cross multiply
    202,137,768.20x = 303,206,652.30 × 72,749,599.40
  4. Step 4: Simplify right side
    202,137,768.20x = 22,058,162,490,240,092
  5. Step 5: Solve for x
    x = 22,058,162,490,240,092/202,137,768.20
  6. Step 6: Final answer
    x = 109,124,399.10

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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.