Home / 82,615,203.60-123,941,467.80-48,518,998.80

Finding the Fourth Proportional to 82,615,203.60, 123,941,467.80 and 48,518,998.80

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Solution

The fourth proportional to 82,615,203.60, 123,941,467.80 and 48,518,998.80 is: 72,789,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615,203.60 : 123,941,467.80 = 48,518,998.80 : x
  2. Step 2: Convert to fraction form
    82,615,203.60/123,941,467.80 = 48,518,998.80/x
  3. Step 3: Cross multiply
    82,615,203.60x = 123,941,467.80 × 48,518,998.80
  4. Step 4: Simplify right side
    82,615,203.60x = 6,013,515,927,458,438
  5. Step 5: Solve for x
    x = 6,013,515,927,458,438/82,615,203.60
  6. Step 6: Final answer
    x = 72,789,458.42

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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.