Home / 119,211,721.20-178,675,864.20-107,024,007.60

Finding the Fourth Proportional to 119,211,721.20, 178,675,864.20 and 107,024,007.60

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Solution

The fourth proportional to 119,211,721.20, 178,675,864.20 and 107,024,007.60 is: 160,408,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211,721.20 : 178,675,864.20 = 107,024,007.60 : x
  2. Step 2: Convert to fraction form
    119,211,721.20/178,675,864.20 = 107,024,007.60/x
  3. Step 3: Cross multiply
    119,211,721.20x = 178,675,864.20 × 107,024,007.60
  4. Step 4: Simplify right side
    119,211,721.20x = 19,122,607,048,077,364
  5. Step 5: Solve for x
    x = 19,122,607,048,077,364/119,211,721.20
  6. Step 6: Final answer
    x = 160,408,782.42

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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.