Home / 49,907,756.80-74,889,628.80-21,148,998.40

Finding the Fourth Proportional to 49,907,756.80, 74,889,628.80 and 21,148,998.40

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Solution

The fourth proportional to 49,907,756.80, 74,889,628.80 and 21,148,998.40 is: 31,735,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907,756.80 : 74,889,628.80 = 21,148,998.40 : x
  2. Step 2: Convert to fraction form
    49,907,756.80/74,889,628.80 = 21,148,998.40/x
  3. Step 3: Cross multiply
    49,907,756.80x = 74,889,628.80 × 21,148,998.40
  4. Step 4: Simplify right side
    49,907,756.80x = 1,583,840,639,667,793.75
  5. Step 5: Solve for x
    x = 1,583,840,639,667,793.75/49,907,756.80
  6. Step 6: Final answer
    x = 31,735,360.22

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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.