Home / 88,953,760.22-122,692,907.68-81,635,228.78

Finding the Fourth Proportional to 88,953,760.22, 122,692,907.68 and 81,635,228.78

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Solution

The fourth proportional to 88,953,760.22, 122,692,907.68 and 81,635,228.78 is: 112,598,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953,760.22 : 122,692,907.68 = 81,635,228.78 : x
  2. Step 2: Convert to fraction form
    88,953,760.22/122,692,907.68 = 81,635,228.78/x
  3. Step 3: Cross multiply
    88,953,760.22x = 122,692,907.68 × 81,635,228.78
  4. Step 4: Simplify right side
    88,953,760.22x = 10,016,063,588,140,220
  5. Step 5: Solve for x
    x = 10,016,063,588,140,220/88,953,760.22
  6. Step 6: Final answer
    x = 112,598,540.67

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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.