Home / 85,212,004.20-127,818,006.30-48,932,298.60

Finding the Fourth Proportional to 85,212,004.20, 127,818,006.30 and 48,932,298.60

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Solution

The fourth proportional to 85,212,004.20, 127,818,006.30 and 48,932,298.60 is: 73,398,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212,004.20 : 127,818,006.30 = 48,932,298.60 : x
  2. Step 2: Convert to fraction form
    85,212,004.20/127,818,006.30 = 48,932,298.60/x
  3. Step 3: Cross multiply
    85,212,004.20x = 127,818,006.30 × 48,932,298.60
  4. Step 4: Simplify right side
    85,212,004.20x = 6,254,428,850,728,281
  5. Step 5: Solve for x
    x = 6,254,428,850,728,281/85,212,004.20
  6. Step 6: Final answer
    x = 73,398,447.90

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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.