Home / 122,015,087.97-183,022,477.40-31,138,679.01

Finding the Fourth Proportional to 122,015,087.97, 183,022,477.40 and 31,138,679.01

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Solution

The fourth proportional to 122,015,087.97, 183,022,477.40 and 31,138,679.01 is: 46,707,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,015,087.97 : 183,022,477.40 = 31,138,679.01 : x
  2. Step 2: Convert to fraction form
    122,015,087.97/183,022,477.40 = 31,138,679.01/x
  3. Step 3: Cross multiply
    122,015,087.97x = 183,022,477.40 × 31,138,679.01
  4. Step 4: Simplify right side
    122,015,087.97x = 5,699,078,175,217,887
  5. Step 5: Solve for x
    x = 5,699,078,175,217,887/122,015,087.97
  6. Step 6: Final answer
    x = 46,707,979.07

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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.