Home / 129,353,519.17-194,019,348.48-41,913,185.41

Finding the Fourth Proportional to 129,353,519.17, 194,019,348.48 and 41,913,185.41

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Solution

The fourth proportional to 129,353,519.17, 194,019,348.48 and 41,913,185.41 is: 62,866,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,353,519.17 : 194,019,348.48 = 41,913,185.41 : x
  2. Step 2: Convert to fraction form
    129,353,519.17/194,019,348.48 = 41,913,185.41/x
  3. Step 3: Cross multiply
    129,353,519.17x = 194,019,348.48 × 41,913,185.41
  4. Step 4: Simplify right side
    129,353,519.17x = 8,131,968,925,969,641
  5. Step 5: Solve for x
    x = 8,131,968,925,969,641/129,353,519.17
  6. Step 6: Final answer
    x = 62,866,236.48

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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.