Home / 72,115,744.42-108,172,671.77-17,528,171.37

Finding the Fourth Proportional to 72,115,744.42, 108,172,671.77 and 17,528,171.37

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Solution

The fourth proportional to 72,115,744.42, 108,172,671.77 and 17,528,171.37 is: 26,292,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,115,744.42 : 108,172,671.77 = 17,528,171.37 : x
  2. Step 2: Convert to fraction form
    72,115,744.42/108,172,671.77 = 17,528,171.37/x
  3. Step 3: Cross multiply
    72,115,744.42x = 108,172,671.77 × 17,528,171.37
  4. Step 4: Simplify right side
    72,115,744.42x = 1,896,069,127,706,816.75
  5. Step 5: Solve for x
    x = 1,896,069,127,706,816.75/72,115,744.42
  6. Step 6: Final answer
    x = 26,292,027.39

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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.