Home / 71,300,413,072.88-98,396,929,748.22-39,186,913,506.07

Finding the Fourth Proportional to 71,300,413,072.88, 98,396,929,748.22 and 39,186,913,506.07

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Solution

The fourth proportional to 71,300,413,072.88, 98,396,929,748.22 and 39,186,913,506.07 is: 54,079,237,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,300,413,072.88 : 98,396,929,748.22 = 39,186,913,506.07 : x
  2. Step 2: Convert to fraction form
    71,300,413,072.88/98,396,929,748.22 = 39,186,913,506.07/x
  3. Step 3: Cross multiply
    71,300,413,072.88x = 98,396,929,748.22 × 39,186,913,506.07
  4. Step 4: Simplify right side
    71,300,413,072.88x = 3,855,871,975,305,851,699,200
  5. Step 5: Solve for x
    x = 3,855,871,975,305,851,699,200/71,300,413,072.88
  6. Step 6: Final answer
    x = 54,079,237,540.53

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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.