Home / 117,515,511.20-176,273,266.80-105,611,232.80

Finding the Fourth Proportional to 117,515,511.20, 176,273,266.80 and 105,611,232.80

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Solution

The fourth proportional to 117,515,511.20, 176,273,266.80 and 105,611,232.80 is: 158,416,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,511.20 : 176,273,266.80 = 105,611,232.80 : x
  2. Step 2: Convert to fraction form
    117,515,511.20/176,273,266.80 = 105,611,232.80/x
  3. Step 3: Cross multiply
    117,515,511.20x = 176,273,266.80 × 105,611,232.80
  4. Step 4: Simplify right side
    117,515,511.20x = 18,616,437,016,431,312
  5. Step 5: Solve for x
    x = 18,616,437,016,431,312/117,515,511.20
  6. Step 6: Final answer
    x = 158,416,849.20

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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.