Home / 125,085,049.38-172,627,709.90-69,347,960.10

Finding the Fourth Proportional to 125,085,049.38, 172,627,709.90 and 69,347,960.10

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Solution

The fourth proportional to 125,085,049.38, 172,627,709.90 and 69,347,960.10 is: 95,705,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,085,049.38 : 172,627,709.90 = 69,347,960.10 : x
  2. Step 2: Convert to fraction form
    125,085,049.38/172,627,709.90 = 69,347,960.10/x
  3. Step 3: Cross multiply
    125,085,049.38x = 172,627,709.90 × 69,347,960.10
  4. Step 4: Simplify right side
    125,085,049.38x = 11,971,379,537,952,834
  5. Step 5: Solve for x
    x = 11,971,379,537,952,834/125,085,049.38
  6. Step 6: Final answer
    x = 95,705,918.47

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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.