Home / 72,911,230.60-109,408,836.30-27,505,611.40

Finding the Fourth Proportional to 72,911,230.60, 109,408,836.30 and 27,505,611.40

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Solution

The fourth proportional to 72,911,230.60, 109,408,836.30 and 27,505,611.40 is: 41,274,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,911,230.60 : 109,408,836.30 = 27,505,611.40 : x
  2. Step 2: Convert to fraction form
    72,911,230.60/109,408,836.30 = 27,505,611.40/x
  3. Step 3: Cross multiply
    72,911,230.60x = 109,408,836.30 × 27,505,611.40
  4. Step 4: Simplify right side
    72,911,230.60x = 3,009,356,934,994,013.50
  5. Step 5: Solve for x
    x = 3,009,356,934,994,013.50/72,911,230.60
  6. Step 6: Final answer
    x = 41,274,257.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.