Home / 71,939,129.40-107,909,678.52-23,417,188.56

Finding the Fourth Proportional to 71,939,129.40, 107,909,678.52 and 23,417,188.56

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Solution

The fourth proportional to 71,939,129.40, 107,909,678.52 and 23,417,188.56 is: 35,126,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,129.40 : 107,909,678.52 = 23,417,188.56 : x
  2. Step 2: Convert to fraction form
    71,939,129.40/107,909,678.52 = 23,417,188.56/x
  3. Step 3: Cross multiply
    71,939,129.40x = 107,909,678.52 × 23,417,188.56
  4. Step 4: Simplify right side
    71,939,129.40x = 2,526,941,289,351,821.50
  5. Step 5: Solve for x
    x = 2,526,941,289,351,821.50/71,939,129.40
  6. Step 6: Final answer
    x = 35,126,103.28

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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.