Home / 216,975,954.53-299,451,656.04-121,632,214.49

Finding the Fourth Proportional to 216,975,954.53, 299,451,656.04 and 121,632,214.49

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Solution

The fourth proportional to 216,975,954.53, 299,451,656.04 and 121,632,214.49 is: 167,866,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,975,954.53 : 299,451,656.04 = 121,632,214.49 : x
  2. Step 2: Convert to fraction form
    216,975,954.53/299,451,656.04 = 121,632,214.49/x
  3. Step 3: Cross multiply
    216,975,954.53x = 299,451,656.04 × 121,632,214.49
  4. Step 4: Simplify right side
    216,975,954.53x = 36,422,968,056,842,984
  5. Step 5: Solve for x
    x = 36,422,968,056,842,984/216,975,954.53
  6. Step 6: Final answer
    x = 167,866,380.11

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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.