Home / 261,627,145.12-392,420,124.26-114,071,222.86

Finding the Fourth Proportional to 261,627,145.12, 392,420,124.26 and 114,071,222.86

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Solution

The fourth proportional to 261,627,145.12, 392,420,124.26 and 114,071,222.86 is: 171,097,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,627,145.12 : 392,420,124.26 = 114,071,222.86 : x
  2. Step 2: Convert to fraction form
    261,627,145.12/392,420,124.26 = 114,071,222.86/x
  3. Step 3: Cross multiply
    261,627,145.12x = 392,420,124.26 × 114,071,222.86
  4. Step 4: Simplify right side
    261,627,145.12x = 44,763,843,449,622,048
  5. Step 5: Solve for x
    x = 44,763,843,449,622,048/261,627,145.12
  6. Step 6: Final answer
    x = 171,097,855.42

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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.