Home / 81,907,464.54-113,032,118.63-47,100,158.06

Finding the Fourth Proportional to 81,907,464.54, 113,032,118.63 and 47,100,158.06

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Solution

The fourth proportional to 81,907,464.54, 113,032,118.63 and 47,100,158.06 is: 64,998,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,907,464.54 : 113,032,118.63 = 47,100,158.06 : x
  2. Step 2: Convert to fraction form
    81,907,464.54/113,032,118.63 = 47,100,158.06/x
  3. Step 3: Cross multiply
    81,907,464.54x = 113,032,118.63 × 47,100,158.06
  4. Step 4: Simplify right side
    81,907,464.54x = 5,323,830,653,067,755
  5. Step 5: Solve for x
    x = 5,323,830,653,067,755/81,907,464.54
  6. Step 6: Final answer
    x = 64,998,113.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.