Home / 300,190,197.10-414,266,702.74-172,960,559.38

Finding the Fourth Proportional to 300,190,197.10, 414,266,702.74 and 172,960,559.38

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Solution

The fourth proportional to 300,190,197.10, 414,266,702.74 and 172,960,559.38 is: 238,688,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,190,197.10 : 414,266,702.74 = 172,960,559.38 : x
  2. Step 2: Convert to fraction form
    300,190,197.10/414,266,702.74 = 172,960,559.38/x
  3. Step 3: Cross multiply
    300,190,197.10x = 414,266,702.74 × 172,960,559.38
  4. Step 4: Simplify right side
    300,190,197.10x = 71,651,800,638,418,576
  5. Step 5: Solve for x
    x = 71,651,800,638,418,576/300,190,197.10
  6. Step 6: Final answer
    x = 238,688,009.57

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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.