Home / 99,153,718.37-136,835,450.21-55,102,573.88

Finding the Fourth Proportional to 99,153,718.37, 136,835,450.21 and 55,102,573.88

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Solution

The fourth proportional to 99,153,718.37, 136,835,450.21 and 55,102,573.88 is: 76,043,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,153,718.37 : 136,835,450.21 = 55,102,573.88 : x
  2. Step 2: Convert to fraction form
    99,153,718.37/136,835,450.21 = 55,102,573.88/x
  3. Step 3: Cross multiply
    99,153,718.37x = 136,835,450.21 × 55,102,573.88
  4. Step 4: Simplify right side
    99,153,718.37x = 7,539,985,504,142,201
  5. Step 5: Solve for x
    x = 7,539,985,504,142,201/99,153,718.37
  6. Step 6: Final answer
    x = 76,043,396.34

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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.