Home / 142,560,626.54-196,733,746.49-77,370,530.54

Finding the Fourth Proportional to 142,560,626.54, 196,733,746.49 and 77,370,530.54

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Solution

The fourth proportional to 142,560,626.54, 196,733,746.49 and 77,370,530.54 is: 106,771,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,626.54 : 196,733,746.49 = 77,370,530.54 : x
  2. Step 2: Convert to fraction form
    142,560,626.54/196,733,746.49 = 77,370,530.54/x
  3. Step 3: Cross multiply
    142,560,626.54x = 196,733,746.49 × 77,370,530.54
  4. Step 4: Simplify right side
    142,560,626.54x = 15,221,394,339,682,642
  5. Step 5: Solve for x
    x = 15,221,394,339,682,642/142,560,626.54
  6. Step 6: Final answer
    x = 106,771,376.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.