Home / 331,271,607.84-457,156,626.48-192,124,865.76

Finding the Fourth Proportional to 331,271,607.84, 457,156,626.48 and 192,124,865.76

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Solution

The fourth proportional to 331,271,607.84, 457,156,626.48 and 192,124,865.76 is: 265,133,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,271,607.84 : 457,156,626.48 = 192,124,865.76 : x
  2. Step 2: Convert to fraction form
    331,271,607.84/457,156,626.48 = 192,124,865.76/x
  3. Step 3: Cross multiply
    331,271,607.84x = 457,156,626.48 × 192,124,865.76
  4. Step 4: Simplify right side
    331,271,607.84x = 87,831,155,493,764,464
  5. Step 5: Solve for x
    x = 87,831,155,493,764,464/331,271,607.84
  6. Step 6: Final answer
    x = 265,133,363.12

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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.