Home / 216,483,448.89-324,725,167.05-99,864,301.02

Finding the Fourth Proportional to 216,483,448.89, 324,725,167.05 and 99,864,301.02

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Solution

The fourth proportional to 216,483,448.89, 324,725,167.05 and 99,864,301.02 is: 149,796,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,483,448.89 : 324,725,167.05 = 99,864,301.02 : x
  2. Step 2: Convert to fraction form
    216,483,448.89/324,725,167.05 = 99,864,301.02/x
  3. Step 3: Cross multiply
    216,483,448.89x = 324,725,167.05 × 99,864,301.02
  4. Step 4: Simplify right side
    216,483,448.89x = 32,428,451,832,129,208
  5. Step 5: Solve for x
    x = 32,428,451,832,129,208/216,483,448.89
  6. Step 6: Final answer
    x = 149,796,448.64

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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.