Home / 419,397,636.32-629,096,122.56-112,689,749.60

Finding the Fourth Proportional to 419,397,636.32, 629,096,122.56 and 112,689,749.60

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Solution

The fourth proportional to 419,397,636.32, 629,096,122.56 and 112,689,749.60 is: 169,034,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,397,636.32 : 629,096,122.56 = 112,689,749.60 : x
  2. Step 2: Convert to fraction form
    419,397,636.32/629,096,122.56 = 112,689,749.60/x
  3. Step 3: Cross multiply
    419,397,636.32x = 629,096,122.56 × 112,689,749.60
  4. Step 4: Simplify right side
    419,397,636.32x = 70,892,684,525,617,304
  5. Step 5: Solve for x
    x = 70,892,684,525,617,304/419,397,636.32
  6. Step 6: Final answer
    x = 169,034,535.21

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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.