Home / 85,974,614.73-128,842,610.24-39,173,725.37

Finding the Fourth Proportional to 85,974,614.73, 128,842,610.24 and 39,173,725.37

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Solution

The fourth proportional to 85,974,614.73, 128,842,610.24 and 39,173,725.37 is: 58,706,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,974,614.73 : 128,842,610.24 = 39,173,725.37 : x
  2. Step 2: Convert to fraction form
    85,974,614.73/128,842,610.24 = 39,173,725.37/x
  3. Step 3: Cross multiply
    85,974,614.73x = 128,842,610.24 × 39,173,725.37
  4. Step 4: Simplify right side
    85,974,614.73x = 5,047,245,029,915,751
  5. Step 5: Solve for x
    x = 5,047,245,029,915,751/85,974,614.73
  6. Step 6: Final answer
    x = 58,706,224.46

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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.