Home / 65,237,858.48-90,028,600.61-38,416,359.26

Finding the Fourth Proportional to 65,237,858.48, 90,028,600.61 and 38,416,359.26

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Solution

The fourth proportional to 65,237,858.48, 90,028,600.61 and 38,416,359.26 is: 53,014,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237,858.48 : 90,028,600.61 = 38,416,359.26 : x
  2. Step 2: Convert to fraction form
    65,237,858.48/90,028,600.61 = 38,416,359.26/x
  3. Step 3: Cross multiply
    65,237,858.48x = 90,028,600.61 × 38,416,359.26
  4. Step 4: Simplify right side
    65,237,858.48x = 3,458,571,065,029,927.50
  5. Step 5: Solve for x
    x = 3,458,571,065,029,927.50/65,237,858.48
  6. Step 6: Final answer
    x = 53,014,785.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.