Home / 98,999,679.06-136,621,012.77-54,949,504.14

Finding the Fourth Proportional to 98,999,679.06, 136,621,012.77 and 54,949,504.14

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Solution

The fourth proportional to 98,999,679.06, 136,621,012.77 and 54,949,504.14 is: 75,831,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999,679.06 : 136,621,012.77 = 54,949,504.14 : x
  2. Step 2: Convert to fraction form
    98,999,679.06/136,621,012.77 = 54,949,504.14/x
  3. Step 3: Cross multiply
    98,999,679.06x = 136,621,012.77 × 54,949,504.14
  4. Step 4: Simplify right side
    98,999,679.06x = 7,507,256,906,816,109
  5. Step 5: Solve for x
    x = 7,507,256,906,816,109/98,999,679.06
  6. Step 6: Final answer
    x = 75,831,123.68

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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.