Home / 80,548,009.40-120,884,999.70-37,422,556.40

Finding the Fourth Proportional to 80,548,009.40, 120,884,999.70 and 37,422,556.40

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Solution

The fourth proportional to 80,548,009.40, 120,884,999.70 and 37,422,556.40 is: 56,163,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,548,009.40 : 120,884,999.70 = 37,422,556.40 : x
  2. Step 2: Convert to fraction form
    80,548,009.40/120,884,999.70 = 37,422,556.40/x
  3. Step 3: Cross multiply
    80,548,009.40x = 120,884,999.70 × 37,422,556.40
  4. Step 4: Simplify right side
    80,548,009.40x = 4,523,825,719,187,233
  5. Step 5: Solve for x
    x = 4,523,825,719,187,233/80,548,009.40
  6. Step 6: Final answer
    x = 56,163,097.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.