Home / 98,999,647.56-136,620,969.30-54,949,472.64

Finding the Fourth Proportional to 98,999,647.56, 136,620,969.30 and 54,949,472.64

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Solution

The fourth proportional to 98,999,647.56, 136,620,969.30 and 54,949,472.64 is: 75,831,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999,647.56 : 136,620,969.30 = 54,949,472.64 : x
  2. Step 2: Convert to fraction form
    98,999,647.56/136,620,969.30 = 54,949,472.64/x
  3. Step 3: Cross multiply
    98,999,647.56x = 136,620,969.30 × 54,949,472.64
  4. Step 4: Simplify right side
    98,999,647.56x = 7,507,250,214,600,631
  5. Step 5: Solve for x
    x = 7,507,250,214,600,631/98,999,647.56
  6. Step 6: Final answer
    x = 75,831,080.21

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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.