Home / 217,608,652.69-300,298,661.61-118,489,162.75

Finding the Fourth Proportional to 217,608,652.69, 300,298,661.61 and 118,489,162.75

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Solution

The fourth proportional to 217,608,652.69, 300,298,661.61 and 118,489,162.75 is: 163,514,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,608,652.69 : 300,298,661.61 = 118,489,162.75 : x
  2. Step 2: Convert to fraction form
    217,608,652.69/300,298,661.61 = 118,489,162.75/x
  3. Step 3: Cross multiply
    217,608,652.69x = 300,298,661.61 × 118,489,162.75
  4. Step 4: Simplify right side
    217,608,652.69x = 35,582,136,989,256,892
  5. Step 5: Solve for x
    x = 35,582,136,989,256,892/217,608,652.69
  6. Step 6: Final answer
    x = 163,514,348.12

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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.