Home / 117,271,501.41-161,834,609.21-64,348,556.57

Finding the Fourth Proportional to 117,271,501.41, 161,834,609.21 and 64,348,556.57

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Solution

The fourth proportional to 117,271,501.41, 161,834,609.21 and 64,348,556.57 is: 88,800,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,271,501.41 : 161,834,609.21 = 64,348,556.57 : x
  2. Step 2: Convert to fraction form
    117,271,501.41/161,834,609.21 = 64,348,556.57/x
  3. Step 3: Cross multiply
    117,271,501.41x = 161,834,609.21 × 64,348,556.57
  4. Step 4: Simplify right side
    117,271,501.41x = 10,413,823,504,602,612
  5. Step 5: Solve for x
    x = 10,413,823,504,602,612/117,271,501.41
  6. Step 6: Final answer
    x = 88,800,973.63

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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.