Home / 64,515,636.80-96,773,455.20-52,422,401.60

Finding the Fourth Proportional to 64,515,636.80, 96,773,455.20 and 52,422,401.60

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Solution

The fourth proportional to 64,515,636.80, 96,773,455.20 and 52,422,401.60 is: 78,633,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515,636.80 : 96,773,455.20 = 52,422,401.60 : x
  2. Step 2: Convert to fraction form
    64,515,636.80/96,773,455.20 = 52,422,401.60/x
  3. Step 3: Cross multiply
    64,515,636.80x = 96,773,455.20 × 52,422,401.60
  4. Step 4: Simplify right side
    64,515,636.80x = 5,073,096,932,714,009
  5. Step 5: Solve for x
    x = 5,073,096,932,714,009/64,515,636.80
  6. Step 6: Final answer
    x = 78,633,602.40

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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.