Home / 49,921,879.95-68,899,037.63-28,728,224.34

Finding the Fourth Proportional to 49,921,879.95, 68,899,037.63 and 28,728,224.34

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Solution

The fourth proportional to 49,921,879.95, 68,899,037.63 and 28,728,224.34 is: 39,648,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,879.95 : 68,899,037.63 = 28,728,224.34 : x
  2. Step 2: Convert to fraction form
    49,921,879.95/68,899,037.63 = 28,728,224.34/x
  3. Step 3: Cross multiply
    49,921,879.95x = 68,899,037.63 × 28,728,224.34
  4. Step 4: Simplify right side
    49,921,879.95x = 1,979,347,009,701,100.75
  5. Step 5: Solve for x
    x = 1,979,347,009,701,100.75/49,921,879.95
  6. Step 6: Final answer
    x = 39,648,887.66

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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.