Home / 163,685,214.76-225,851,876.42-94,057,143.55

Finding the Fourth Proportional to 163,685,214.76, 225,851,876.42 and 94,057,143.55

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Solution

The fourth proportional to 163,685,214.76, 225,851,876.42 and 94,057,143.55 is: 129,779,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,685,214.76 : 225,851,876.42 = 94,057,143.55 : x
  2. Step 2: Convert to fraction form
    163,685,214.76/225,851,876.42 = 94,057,143.55/x
  3. Step 3: Cross multiply
    163,685,214.76x = 225,851,876.42 × 94,057,143.55
  4. Step 4: Simplify right side
    163,685,214.76x = 21,242,982,360,343,540
  5. Step 5: Solve for x
    x = 21,242,982,360,343,540/163,685,214.76
  6. Step 6: Final answer
    x = 129,779,481.86

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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.