Home / 88,271,833.05-121,831,994.30-58,449,881.21

Finding the Fourth Proportional to 88,271,833.05, 121,831,994.30 and 58,449,881.21

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Solution

The fourth proportional to 88,271,833.05, 121,831,994.30 and 58,449,881.21 is: 80,672,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,271,833.05 : 121,831,994.30 = 58,449,881.21 : x
  2. Step 2: Convert to fraction form
    88,271,833.05/121,831,994.30 = 58,449,881.21/x
  3. Step 3: Cross multiply
    88,271,833.05x = 121,831,994.30 × 58,449,881.21
  4. Step 4: Simplify right side
    88,271,833.05x = 7,121,065,593,510,988
  5. Step 5: Solve for x
    x = 7,121,065,593,510,988/88,271,833.05
  6. Step 6: Final answer
    x = 80,672,003.15

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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.