Home / 171,859,455.06-257,782,191.39-42,463,806.72

Finding the Fourth Proportional to 171,859,455.06, 257,782,191.39 and 42,463,806.72

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Solution

The fourth proportional to 171,859,455.06, 257,782,191.39 and 42,463,806.72 is: 63,693,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859,455.06 : 257,782,191.39 = 42,463,806.72 : x
  2. Step 2: Convert to fraction form
    171,859,455.06/257,782,191.39 = 42,463,806.72/x
  3. Step 3: Cross multiply
    171,859,455.06x = 257,782,191.39 × 42,463,806.72
  4. Step 4: Simplify right side
    171,859,455.06x = 10,946,413,151,043,008
  5. Step 5: Solve for x
    x = 10,946,413,151,043,008/171,859,455.06
  6. Step 6: Final answer
    x = 63,693,982.66

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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.