Home / 66,048,289.20-99,072,433.80-40,220,256.60

Finding the Fourth Proportional to 66,048,289.20, 99,072,433.80 and 40,220,256.60

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Solution

The fourth proportional to 66,048,289.20, 99,072,433.80 and 40,220,256.60 is: 60,330,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048,289.20 : 99,072,433.80 = 40,220,256.60 : x
  2. Step 2: Convert to fraction form
    66,048,289.20/99,072,433.80 = 40,220,256.60/x
  3. Step 3: Cross multiply
    66,048,289.20x = 99,072,433.80 × 40,220,256.60
  4. Step 4: Simplify right side
    66,048,289.20x = 3,984,718,709,422,513
  5. Step 5: Solve for x
    x = 3,984,718,709,422,513/66,048,289.20
  6. Step 6: Final answer
    x = 60,330,384.90

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Similar ratio
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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.