Home / 171,859,442.87-257,782,173.20-42,463,794.53

Finding the Fourth Proportional to 171,859,442.87, 257,782,173.20 and 42,463,794.53

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Solution

The fourth proportional to 171,859,442.87, 257,782,173.20 and 42,463,794.53 is: 63,693,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859,442.87 : 257,782,173.20 = 42,463,794.53 : x
  2. Step 2: Convert to fraction form
    171,859,442.87/257,782,173.20 = 42,463,794.53/x
  3. Step 3: Cross multiply
    171,859,442.87x = 257,782,173.20 × 42,463,794.53
  4. Step 4: Simplify right side
    171,859,442.87x = 10,946,409,236,853,048
  5. Step 5: Solve for x
    x = 10,946,409,236,853,048/171,859,442.87
  6. Step 6: Final answer
    x = 63,693,964.40

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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.