Home / 203,974,695.90-305,962,043.85-163,663,911.90

Finding the Fourth Proportional to 203,974,695.90, 305,962,043.85 and 163,663,911.90

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Solution

The fourth proportional to 203,974,695.90, 305,962,043.85 and 163,663,911.90 is: 245,495,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974,695.90 : 305,962,043.85 = 163,663,911.90 : x
  2. Step 2: Convert to fraction form
    203,974,695.90/305,962,043.85 = 163,663,911.90/x
  3. Step 3: Cross multiply
    203,974,695.90x = 305,962,043.85 × 163,663,911.90
  4. Step 4: Simplify right side
    203,974,695.90x = 50,074,944,989,410,344
  5. Step 5: Solve for x
    x = 50,074,944,989,410,344/203,974,695.90
  6. Step 6: Final answer
    x = 245,495,867.85

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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.