Home / 73,117,085.54-109,021,942.24-71,108,238.56

Finding the Fourth Proportional to 73,117,085.54, 109,021,942.24 and 71,108,238.56

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Solution

The fourth proportional to 73,117,085.54, 109,021,942.24 and 71,108,238.56 is: 106,026,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117,085.54 : 109,021,942.24 = 71,108,238.56 : x
  2. Step 2: Convert to fraction form
    73,117,085.54/109,021,942.24 = 71,108,238.56/x
  3. Step 3: Cross multiply
    73,117,085.54x = 109,021,942.24 × 71,108,238.56
  4. Step 4: Simplify right side
    73,117,085.54x = 7,752,358,276,353,581
  5. Step 5: Solve for x
    x = 7,752,358,276,353,581/73,117,085.54
  6. Step 6: Final answer
    x = 106,026,631.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.