Home / 312,296,206.65-430,973,478.39-171,166,297.89

Finding the Fourth Proportional to 312,296,206.65, 430,973,478.39 and 171,166,297.89

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Solution

The fourth proportional to 312,296,206.65, 430,973,478.39 and 171,166,297.89 is: 236,212,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,296,206.65 : 430,973,478.39 = 171,166,297.89 : x
  2. Step 2: Convert to fraction form
    312,296,206.65/430,973,478.39 = 171,166,297.89/x
  3. Step 3: Cross multiply
    312,296,206.65x = 430,973,478.39 × 171,166,297.89
  4. Step 4: Simplify right side
    312,296,206.65x = 73,768,134,784,792,208
  5. Step 5: Solve for x
    x = 73,768,134,784,792,208/312,296,206.65
  6. Step 6: Final answer
    x = 236,212,074.35

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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.