Home / 49,906,705.80-74,888,052.30-21,147,947.40

Finding the Fourth Proportional to 49,906,705.80, 74,888,052.30 and 21,147,947.40

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Solution

The fourth proportional to 49,906,705.80, 74,888,052.30 and 21,147,947.40 is: 31,733,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,906,705.80 : 74,888,052.30 = 21,147,947.40 : x
  2. Step 2: Convert to fraction form
    49,906,705.80/74,888,052.30 = 21,147,947.40/x
  3. Step 3: Cross multiply
    49,906,705.80x = 74,888,052.30 × 21,147,947.40
  4. Step 4: Simplify right side
    49,906,705.80x = 1,583,728,590,928,848.75
  5. Step 5: Solve for x
    x = 1,583,728,590,928,848.75/49,906,705.80
  6. Step 6: Final answer
    x = 31,733,783.38

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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.