Home / 142,945,666.92-214,442,416.44-112,239,007.56

Finding the Fourth Proportional to 142,945,666.92, 214,442,416.44 and 112,239,007.56

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Solution

The fourth proportional to 142,945,666.92, 214,442,416.44 and 112,239,007.56 is: 168,377,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,945,666.92 : 214,442,416.44 = 112,239,007.56 : x
  2. Step 2: Convert to fraction form
    142,945,666.92/214,442,416.44 = 112,239,007.56/x
  3. Step 3: Cross multiply
    142,945,666.92x = 214,442,416.44 × 112,239,007.56
  4. Step 4: Simplify right side
    142,945,666.92x = 24,068,803,999,993,828
  5. Step 5: Solve for x
    x = 24,068,803,999,993,828/142,945,666.92
  6. Step 6: Final answer
    x = 168,377,289.91

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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.