Home / 156,020,400.60-234,030,600.90-79,492,896.60

Finding the Fourth Proportional to 156,020,400.60, 234,030,600.90 and 79,492,896.60

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Solution

The fourth proportional to 156,020,400.60, 234,030,600.90 and 79,492,896.60 is: 119,239,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020,400.60 : 234,030,600.90 = 79,492,896.60 : x
  2. Step 2: Convert to fraction form
    156,020,400.60/234,030,600.90 = 79,492,896.60/x
  3. Step 3: Cross multiply
    156,020,400.60x = 234,030,600.90 × 79,492,896.60
  4. Step 4: Simplify right side
    156,020,400.60x = 18,603,770,358,579,568
  5. Step 5: Solve for x
    x = 18,603,770,358,579,568/156,020,400.60
  6. Step 6: Final answer
    x = 119,239,344.90

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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.