Home / 290,963,197.29-401,523,520.66-158,805,141.33

Finding the Fourth Proportional to 290,963,197.29, 401,523,520.66 and 158,805,141.33

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Solution

The fourth proportional to 290,963,197.29, 401,523,520.66 and 158,805,141.33 is: 219,147,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,963,197.29 : 401,523,520.66 = 158,805,141.33 : x
  2. Step 2: Convert to fraction form
    290,963,197.29/401,523,520.66 = 158,805,141.33/x
  3. Step 3: Cross multiply
    290,963,197.29x = 401,523,520.66 × 158,805,141.33
  4. Step 4: Simplify right side
    290,963,197.29x = 63,763,999,444,575,504
  5. Step 5: Solve for x
    x = 63,763,999,444,575,504/290,963,197.29
  6. Step 6: Final answer
    x = 219,147,988.61

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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.