Home / 70,102,523.36-105,059,791.10-54,559,120.52

Finding the Fourth Proportional to 70,102,523.36, 105,059,791.10 and 54,559,120.52

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Solution

The fourth proportional to 70,102,523.36, 105,059,791.10 and 54,559,120.52 is: 81,765,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,523.36 : 105,059,791.10 = 54,559,120.52 : x
  2. Step 2: Convert to fraction form
    70,102,523.36/105,059,791.10 = 54,559,120.52/x
  3. Step 3: Cross multiply
    70,102,523.36x = 105,059,791.10 × 54,559,120.52
  4. Step 4: Simplify right side
    70,102,523.36x = 5,731,969,803,632,829
  5. Step 5: Solve for x
    x = 5,731,969,803,632,829/70,102,523.36
  6. Step 6: Final answer
    x = 81,765,527.53

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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.