Home / 210,364,218.24-290,313,835.20-117,546,979.20

Finding the Fourth Proportional to 210,364,218.24, 290,313,835.20 and 117,546,979.20

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Solution

The fourth proportional to 210,364,218.24, 290,313,835.20 and 117,546,979.20 is: 162,221,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,364,218.24 : 290,313,835.20 = 117,546,979.20 : x
  2. Step 2: Convert to fraction form
    210,364,218.24/290,313,835.20 = 117,546,979.20/x
  3. Step 3: Cross multiply
    210,364,218.24x = 290,313,835.20 × 117,546,979.20
  4. Step 4: Simplify right side
    210,364,218.24x = 34,125,514,347,726,628
  5. Step 5: Solve for x
    x = 34,125,514,347,726,628/210,364,218.24
  6. Step 6: Final answer
    x = 162,221,097.45

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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.