Home / 69,390,517.37-95,758,914.60-38,450,686.64

Finding the Fourth Proportional to 69,390,517.37, 95,758,914.60 and 38,450,686.64

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Solution

The fourth proportional to 69,390,517.37, 95,758,914.60 and 38,450,686.64 is: 53,061,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390,517.37 : 95,758,914.60 = 38,450,686.64 : x
  2. Step 2: Convert to fraction form
    69,390,517.37/95,758,914.60 = 38,450,686.64/x
  3. Step 3: Cross multiply
    69,390,517.37x = 95,758,914.60 × 38,450,686.64
  4. Step 4: Simplify right side
    69,390,517.37x = 3,681,996,017,792,326
  5. Step 5: Solve for x
    x = 3,681,996,017,792,326/69,390,517.37
  6. Step 6: Final answer
    x = 53,061,947.91

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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.