Home / 202,251,514.88-279,105,100.80-109,429,985.28

Finding the Fourth Proportional to 202,251,514.88, 279,105,100.80 and 109,429,985.28

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Solution

The fourth proportional to 202,251,514.88, 279,105,100.80 and 109,429,985.28 is: 151,012,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,251,514.88 : 279,105,100.80 = 109,429,985.28 : x
  2. Step 2: Convert to fraction form
    202,251,514.88/279,105,100.80 = 109,429,985.28/x
  3. Step 3: Cross multiply
    202,251,514.88x = 279,105,100.80 × 109,429,985.28
  4. Step 4: Simplify right side
    202,251,514.88x = 30,542,467,072,116,916
  5. Step 5: Solve for x
    x = 30,542,467,072,116,916/202,251,514.88
  6. Step 6: Final answer
    x = 151,012,303.12

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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.