Home / 120,436,431,751.18-180,675,229,007.83-49,652,448,458.06

Finding the Fourth Proportional to 120,436,431,751.18, 180,675,229,007.83 and 49,652,448,458.06

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Solution

The fourth proportional to 120,436,431,751.18, 180,675,229,007.83 and 49,652,448,458.06 is: 74,487,157,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,436,431,751.18 : 180,675,229,007.83 = 49,652,448,458.06 : x
  2. Step 2: Convert to fraction form
    120,436,431,751.18/180,675,229,007.83 = 49,652,448,458.06/x
  3. Step 3: Cross multiply
    120,436,431,751.18x = 180,675,229,007.83 × 49,652,448,458.06
  4. Step 4: Simplify right side
    120,436,431,751.18x = 8,970,967,495,959,464,902,656
  5. Step 5: Solve for x
    x = 8,970,967,495,959,464,902,656/120,436,431,751.18
  6. Step 6: Final answer
    x = 74,487,157,793.69

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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.