Home / 202,320,021.78-279,186,045.44-114,222,727.40

Finding the Fourth Proportional to 202,320,021.78, 279,186,045.44 and 114,222,727.40

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Solution

The fourth proportional to 202,320,021.78, 279,186,045.44 and 114,222,727.40 is: 157,618,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320,021.78 : 279,186,045.44 = 114,222,727.40 : x
  2. Step 2: Convert to fraction form
    202,320,021.78/279,186,045.44 = 114,222,727.40/x
  3. Step 3: Cross multiply
    202,320,021.78x = 279,186,045.44 × 114,222,727.40
  4. Step 4: Simplify right side
    202,320,021.78x = 31,889,391,560,210,088
  5. Step 5: Solve for x
    x = 31,889,391,560,210,088/202,320,021.78
  6. Step 6: Final answer
    x = 157,618,565.28

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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.