Home / 172,930,554.60-238,620,596.67-103,301,154.78

Finding the Fourth Proportional to 172,930,554.60, 238,620,596.67 and 103,301,154.78

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Solution

The fourth proportional to 172,930,554.60, 238,620,596.67 and 103,301,154.78 is: 142,541,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,930,554.60 : 238,620,596.67 = 103,301,154.78 : x
  2. Step 2: Convert to fraction form
    172,930,554.60/238,620,596.67 = 103,301,154.78/x
  3. Step 3: Cross multiply
    172,930,554.60x = 238,620,596.67 × 103,301,154.78
  4. Step 4: Simplify right side
    172,930,554.60x = 24,649,783,190,303,620
  5. Step 5: Solve for x
    x = 24,649,783,190,303,620/172,930,554.60
  6. Step 6: Final answer
    x = 142,541,514.70

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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.