Home / 64,512,826.40-96,769,239.60-48,388,512.80

Finding the Fourth Proportional to 64,512,826.40, 96,769,239.60 and 48,388,512.80

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Solution

The fourth proportional to 64,512,826.40, 96,769,239.60 and 48,388,512.80 is: 72,582,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,826.40 : 96,769,239.60 = 48,388,512.80 : x
  2. Step 2: Convert to fraction form
    64,512,826.40/96,769,239.60 = 48,388,512.80/x
  3. Step 3: Cross multiply
    64,512,826.40x = 96,769,239.60 × 48,388,512.80
  4. Step 4: Simplify right side
    64,512,826.40x = 4,682,519,589,030,866
  5. Step 5: Solve for x
    x = 4,682,519,589,030,866/64,512,826.40
  6. Step 6: Final answer
    x = 72,582,769.20

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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.