Home / 114,957,000.40-172,435,500.60-74,142,331.60

Finding the Fourth Proportional to 114,957,000.40, 172,435,500.60 and 74,142,331.60

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Solution

The fourth proportional to 114,957,000.40, 172,435,500.60 and 74,142,331.60 is: 111,213,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,957,000.40 : 172,435,500.60 = 74,142,331.60 : x
  2. Step 2: Convert to fraction form
    114,957,000.40/172,435,500.60 = 74,142,331.60/x
  3. Step 3: Cross multiply
    114,957,000.40x = 172,435,500.60 × 74,142,331.60
  4. Step 4: Simplify right side
    114,957,000.40x = 12,784,770,065,097,198
  5. Step 5: Solve for x
    x = 12,784,770,065,097,198/114,957,000.40
  6. Step 6: Final answer
    x = 111,213,497.40

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1.5x scale

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.