Home / 312,296,205.65-430,973,477.01-171,166,296.89

Finding the Fourth Proportional to 312,296,205.65, 430,973,477.01 and 171,166,296.89

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Solution

The fourth proportional to 312,296,205.65, 430,973,477.01 and 171,166,296.89 is: 236,212,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,296,205.65 : 430,973,477.01 = 171,166,296.89 : x
  2. Step 2: Convert to fraction form
    312,296,205.65/430,973,477.01 = 171,166,296.89/x
  3. Step 3: Cross multiply
    312,296,205.65x = 430,973,477.01 × 171,166,296.89
  4. Step 4: Simplify right side
    312,296,205.65x = 73,768,134,118,686,688
  5. Step 5: Solve for x
    x = 73,768,134,118,686,688/312,296,205.65
  6. Step 6: Final answer
    x = 236,212,072.98

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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.