Home / 171,877,242.20-257,437,949.70-149,202,426.20

Finding the Fourth Proportional to 171,877,242.20, 257,437,949.70 and 149,202,426.20

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Solution

The fourth proportional to 171,877,242.20, 257,437,949.70 and 149,202,426.20 is: 223,475,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,877,242.20 : 257,437,949.70 = 149,202,426.20 : x
  2. Step 2: Convert to fraction form
    171,877,242.20/257,437,949.70 = 149,202,426.20/x
  3. Step 3: Cross multiply
    171,877,242.20x = 257,437,949.70 × 149,202,426.20
  4. Step 4: Simplify right side
    171,877,242.20x = 38,410,366,691,193,560
  5. Step 5: Solve for x
    x = 38,410,366,691,193,560/171,877,242.20
  6. Step 6: Final answer
    x = 223,475,581.76

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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.