Home / 66,816,187.20-100,224,280.80-41,174,049.60

Finding the Fourth Proportional to 66,816,187.20, 100,224,280.80 and 41,174,049.60

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Solution

The fourth proportional to 66,816,187.20, 100,224,280.80 and 41,174,049.60 is: 61,761,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,816,187.20 : 100,224,280.80 = 41,174,049.60 : x
  2. Step 2: Convert to fraction form
    66,816,187.20/100,224,280.80 = 41,174,049.60/x
  3. Step 3: Cross multiply
    66,816,187.20x = 100,224,280.80 × 41,174,049.60
  4. Step 4: Simplify right side
    66,816,187.20x = 4,126,639,508,783,527.50
  5. Step 5: Solve for x
    x = 4,126,639,508,783,527.50/66,816,187.20
  6. Step 6: Final answer
    x = 61,761,074.40

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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.