Home / 76,608,844.20-114,913,266.30-47,887,410.60

Finding the Fourth Proportional to 76,608,844.20, 114,913,266.30 and 47,887,410.60

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Solution

The fourth proportional to 76,608,844.20, 114,913,266.30 and 47,887,410.60 is: 71,831,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,608,844.20 : 114,913,266.30 = 47,887,410.60 : x
  2. Step 2: Convert to fraction form
    76,608,844.20/114,913,266.30 = 47,887,410.60/x
  3. Step 3: Cross multiply
    76,608,844.20x = 114,913,266.30 × 47,887,410.60
  4. Step 4: Simplify right side
    76,608,844.20x = 5,502,898,766,695,243
  5. Step 5: Solve for x
    x = 5,502,898,766,695,243/76,608,844.20
  6. Step 6: Final answer
    x = 71,831,115.90

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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.