Home / 47,804,556.70-71,706,835.05-43,818,749.20

Finding the Fourth Proportional to 47,804,556.70, 71,706,835.05 and 43,818,749.20

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Solution

The fourth proportional to 47,804,556.70, 71,706,835.05 and 43,818,749.20 is: 65,728,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804,556.70 : 71,706,835.05 = 43,818,749.20 : x
  2. Step 2: Convert to fraction form
    47,804,556.70/71,706,835.05 = 43,818,749.20/x
  3. Step 3: Cross multiply
    47,804,556.70x = 71,706,835.05 × 43,818,749.20
  4. Step 4: Simplify right side
    47,804,556.70x = 3,142,103,820,981,719.50
  5. Step 5: Solve for x
    x = 3,142,103,820,981,719.50/47,804,556.70
  6. Step 6: Final answer
    x = 65,728,123.80

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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.