Home / 202,286,512.08-279,155,387.00-109,467,019.89

Finding the Fourth Proportional to 202,286,512.08, 279,155,387.00 and 109,467,019.89

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Solution

The fourth proportional to 202,286,512.08, 279,155,387.00 and 109,467,019.89 is: 151,064,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,512.08 : 279,155,387.00 = 109,467,019.89 : x
  2. Step 2: Convert to fraction form
    202,286,512.08/279,155,387.00 = 109,467,019.89/x
  3. Step 3: Cross multiply
    202,286,512.08x = 279,155,387.00 × 109,467,019.89
  4. Step 4: Simplify right side
    202,286,512.08x = 30,558,308,301,403,316
  5. Step 5: Solve for x
    x = 30,558,308,301,403,316/202,286,512.08
  6. Step 6: Final answer
    x = 151,064,487.63

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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.