Home / 118,295,588.54-163,015,369.34-90,449,849.18

Finding the Fourth Proportional to 118,295,588.54, 163,015,369.34 and 90,449,849.18

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Solution

The fourth proportional to 118,295,588.54, 163,015,369.34 and 90,449,849.18 is: 124,642,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,295,588.54 : 163,015,369.34 = 90,449,849.18 : x
  2. Step 2: Convert to fraction form
    118,295,588.54/163,015,369.34 = 90,449,849.18/x
  3. Step 3: Cross multiply
    118,295,588.54x = 163,015,369.34 × 90,449,849.18
  4. Step 4: Simplify right side
    118,295,588.54x = 14,744,715,570,824,998
  5. Step 5: Solve for x
    x = 14,744,715,570,824,998/118,295,588.54
  6. Step 6: Final answer
    x = 124,642,987.56

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