Home / 213,793,030.69-320,572,640.09-169,760,169.69

Finding the Fourth Proportional to 213,793,030.69, 320,572,640.09 and 169,760,169.69

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Solution

The fourth proportional to 213,793,030.69, 320,572,640.09 and 169,760,169.69 is: 254,547,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,793,030.69 : 320,572,640.09 = 169,760,169.69 : x
  2. Step 2: Convert to fraction form
    213,793,030.69/320,572,640.09 = 169,760,169.69/x
  3. Step 3: Cross multiply
    213,793,030.69x = 320,572,640.09 × 169,760,169.69
  4. Step 4: Simplify right side
    213,793,030.69x = 54,420,465,778,800,888
  5. Step 5: Solve for x
    x = 54,420,465,778,800,888/213,793,030.69
  6. Step 6: Final answer
    x = 254,547,426.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.