Home / 121,424,699.97-167,566,086-65,670,120

Finding the Fourth Proportional to 121,424,699.97, 167,566,086 and 65,670,120

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Solution

The fourth proportional to 121,424,699.97, 167,566,086 and 65,670,120 is: 90,624,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424,699.97 : 167,566,086 = 65,670,120 : x
  2. Step 2: Convert to fraction form
    121,424,699.97/167,566,086 = 65,670,120/x
  3. Step 3: Cross multiply
    121,424,699.97x = 167,566,086 × 65,670,120
  4. Step 4: Simplify right side
    121,424,699.97x = 11,004,084,975,550,320
  5. Step 5: Solve for x
    x = 11,004,084,975,550,320/121,424,699.97
  6. Step 6: Final answer
    x = 90,624,765.62

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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.