Home / 81,461,291.25-112,415,791.58-44,291,571.03

Finding the Fourth Proportional to 81,461,291.25, 112,415,791.58 and 44,291,571.03

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Solution

The fourth proportional to 81,461,291.25, 112,415,791.58 and 44,291,571.03 is: 61,121,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,461,291.25 : 112,415,791.58 = 44,291,571.03 : x
  2. Step 2: Convert to fraction form
    81,461,291.25/112,415,791.58 = 44,291,571.03/x
  3. Step 3: Cross multiply
    81,461,291.25x = 112,415,791.58 × 44,291,571.03
  4. Step 4: Simplify right side
    81,461,291.25x = 4,979,072,017,437,788
  5. Step 5: Solve for x
    x = 4,979,072,017,437,788/81,461,291.25
  6. Step 6: Final answer
    x = 61,121,938.30

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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.