Home / 48,501,107.40-72,770,906.70-19,749,347.40

Finding the Fourth Proportional to 48,501,107.40, 72,770,906.70 and 19,749,347.40

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Solution

The fourth proportional to 48,501,107.40, 72,770,906.70 and 19,749,347.40 is: 29,631,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501,107.40 : 72,770,906.70 = 19,749,347.40 : x
  2. Step 2: Convert to fraction form
    48,501,107.40/72,770,906.70 = 19,749,347.40/x
  3. Step 3: Cross multiply
    48,501,107.40x = 72,770,906.70 × 19,749,347.40
  4. Step 4: Simplify right side
    48,501,107.40x = 1,437,177,917,031,287.50
  5. Step 5: Solve for x
    x = 1,437,177,917,031,287.50/48,501,107.40
  6. Step 6: Final answer
    x = 29,631,857.79

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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.