Home / 120,631,789.36-166,472,592.96-65,628,039.52

Finding the Fourth Proportional to 120,631,789.36, 166,472,592.96 and 65,628,039.52

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Solution

The fourth proportional to 120,631,789.36, 166,472,592.96 and 65,628,039.52 is: 90,567,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,631,789.36 : 166,472,592.96 = 65,628,039.52 : x
  2. Step 2: Convert to fraction form
    120,631,789.36/166,472,592.96 = 65,628,039.52/x
  3. Step 3: Cross multiply
    120,631,789.36x = 166,472,592.96 × 65,628,039.52
  4. Step 4: Simplify right side
    120,631,789.36x = 10,925,269,909,775,754
  5. Step 5: Solve for x
    x = 10,925,269,909,775,754/120,631,789.36
  6. Step 6: Final answer
    x = 90,567,088.23

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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.