Home / 81,436,867,691.83-122,182,792,060.46-36,051,315,345.56

Finding the Fourth Proportional to 81,436,867,691.83, 122,182,792,060.46 and 36,051,315,345.56

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Solution

The fourth proportional to 81,436,867,691.83, 122,182,792,060.46 and 36,051,315,345.56 is: 54,089,142,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,436,867,691.83 : 122,182,792,060.46 = 36,051,315,345.56 : x
  2. Step 2: Convert to fraction form
    81,436,867,691.83/122,182,792,060.46 = 36,051,315,345.56/x
  3. Step 3: Cross multiply
    81,436,867,691.83x = 122,182,792,060.46 × 36,051,315,345.56
  4. Step 4: Simplify right side
    81,436,867,691.83x = 4,404,850,366,372,872,454,144
  5. Step 5: Solve for x
    x = 4,404,850,366,372,872,454,144/81,436,867,691.83
  6. Step 6: Final answer
    x = 54,089,142,807.43

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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.