Home / 171,859,443.87-257,782,174.70-42,463,795.53

Finding the Fourth Proportional to 171,859,443.87, 257,782,174.70 and 42,463,795.53

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Solution

The fourth proportional to 171,859,443.87, 257,782,174.70 and 42,463,795.53 is: 63,693,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859,443.87 : 257,782,174.70 = 42,463,795.53 : x
  2. Step 2: Convert to fraction form
    171,859,443.87/257,782,174.70 = 42,463,795.53/x
  3. Step 3: Cross multiply
    171,859,443.87x = 257,782,174.70 × 42,463,795.53
  4. Step 4: Simplify right side
    171,859,443.87x = 10,946,409,557,739,538
  5. Step 5: Solve for x
    x = 10,946,409,557,739,538/171,859,443.87
  6. Step 6: Final answer
    x = 63,693,965.90

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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.