Home / 156,019,969.60-234,029,954.40-79,492,465.60

Finding the Fourth Proportional to 156,019,969.60, 234,029,954.40 and 79,492,465.60

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Solution

The fourth proportional to 156,019,969.60, 234,029,954.40 and 79,492,465.60 is: 119,238,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,019,969.60 : 234,029,954.40 = 79,492,465.60 : x
  2. Step 2: Convert to fraction form
    156,019,969.60/234,029,954.40 = 79,492,465.60/x
  3. Step 3: Cross multiply
    156,019,969.60x = 234,029,954.40 × 79,492,465.60
  4. Step 4: Simplify right side
    156,019,969.60x = 18,603,618,099,511,568
  5. Step 5: Solve for x
    x = 18,603,618,099,511,568/156,019,969.60
  6. Step 6: Final answer
    x = 119,238,698.40

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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.