Home / 88,271,832.11-121,831,993.01-58,449,880.27

Finding the Fourth Proportional to 88,271,832.11, 121,831,993.01 and 58,449,880.27

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Solution

The fourth proportional to 88,271,832.11, 121,831,993.01 and 58,449,880.27 is: 80,672,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,271,832.11 : 121,831,993.01 = 58,449,880.27 : x
  2. Step 2: Convert to fraction form
    88,271,832.11/121,831,993.01 = 58,449,880.27/x
  3. Step 3: Cross multiply
    88,271,832.11x = 121,831,993.01 × 58,449,880.27
  4. Step 4: Simplify right side
    88,271,832.11x = 7,121,065,403,893,147
  5. Step 5: Solve for x
    x = 7,121,065,403,893,147/88,271,832.11
  6. Step 6: Final answer
    x = 80,672,001.85

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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.