Home / 275,238,466.40-412,857,699.60-111,554,638.40

Finding the Fourth Proportional to 275,238,466.40, 412,857,699.60 and 111,554,638.40

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Solution

The fourth proportional to 275,238,466.40, 412,857,699.60 and 111,554,638.40 is: 167,331,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,238,466.40 : 412,857,699.60 = 111,554,638.40 : x
  2. Step 2: Convert to fraction form
    275,238,466.40/412,857,699.60 = 111,554,638.40/x
  3. Step 3: Cross multiply
    275,238,466.40x = 412,857,699.60 × 111,554,638.40
  4. Step 4: Simplify right side
    275,238,466.40x = 46,056,191,389,533,832
  5. Step 5: Solve for x
    x = 46,056,191,389,533,832/275,238,466.40
  6. Step 6: Final answer
    x = 167,331,957.60

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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.