Home / 147,104,940.06-203,004,807.66-85,261,150.98

Finding the Fourth Proportional to 147,104,940.06, 203,004,807.66 and 85,261,150.98

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Solution

The fourth proportional to 147,104,940.06, 203,004,807.66 and 85,261,150.98 is: 117,660,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,940.06 : 203,004,807.66 = 85,261,150.98 : x
  2. Step 2: Convert to fraction form
    147,104,940.06/203,004,807.66 = 85,261,150.98/x
  3. Step 3: Cross multiply
    147,104,940.06x = 203,004,807.66 × 85,261,150.98
  4. Step 4: Simplify right side
    147,104,940.06x = 17,308,423,555,565,122
  5. Step 5: Solve for x
    x = 17,308,423,555,565,122/147,104,940.06
  6. Step 6: Final answer
    x = 117,660,382.78

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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.