Home / 171,859,447.24-257,782,179.75-42,463,798.90

Finding the Fourth Proportional to 171,859,447.24, 257,782,179.75 and 42,463,798.90

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Solution

The fourth proportional to 171,859,447.24, 257,782,179.75 and 42,463,798.90 is: 63,693,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859,447.24 : 257,782,179.75 = 42,463,798.90 : x
  2. Step 2: Convert to fraction form
    171,859,447.24/257,782,179.75 = 42,463,798.90/x
  3. Step 3: Cross multiply
    171,859,447.24x = 257,782,179.75 × 42,463,798.90
  4. Step 4: Simplify right side
    171,859,447.24x = 10,946,410,640,907,652
  5. Step 5: Solve for x
    x = 10,946,410,640,907,652/171,859,447.24
  6. Step 6: Final answer
    x = 63,693,970.96

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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.