Home / 123,595,930.80-185,393,896.20-69,176,372.40

Finding the Fourth Proportional to 123,595,930.80, 185,393,896.20 and 69,176,372.40

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Solution

The fourth proportional to 123,595,930.80, 185,393,896.20 and 69,176,372.40 is: 103,764,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,595,930.80 : 185,393,896.20 = 69,176,372.40 : x
  2. Step 2: Convert to fraction form
    123,595,930.80/185,393,896.20 = 69,176,372.40/x
  3. Step 3: Cross multiply
    123,595,930.80x = 185,393,896.20 × 69,176,372.40
  4. Step 4: Simplify right side
    123,595,930.80x = 12,824,877,204,218,146
  5. Step 5: Solve for x
    x = 12,824,877,204,218,146/123,595,930.80
  6. Step 6: Final answer
    x = 103,764,558.60

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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.