Home / 72,015,643.08-108,028,280.73-25,323,550.59

Finding the Fourth Proportional to 72,015,643.08, 108,028,280.73 and 25,323,550.59

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Solution

The fourth proportional to 72,015,643.08, 108,028,280.73 and 25,323,550.59 is: 37,987,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,015,643.08 : 108,028,280.73 = 25,323,550.59 : x
  2. Step 2: Convert to fraction form
    72,015,643.08/108,028,280.73 = 25,323,550.59/x
  3. Step 3: Cross multiply
    72,015,643.08x = 108,028,280.73 × 25,323,550.59
  4. Step 4: Simplify right side
    72,015,643.08x = 2,735,659,632,216,877
  5. Step 5: Solve for x
    x = 2,735,659,632,216,877/72,015,643.08
  6. Step 6: Final answer
    x = 37,987,019.42

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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.