Home / 73,021,801.59-100,770,110.64-39,984,140.34

Finding the Fourth Proportional to 73,021,801.59, 100,770,110.64 and 39,984,140.34

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Solution

The fourth proportional to 73,021,801.59, 100,770,110.64 and 39,984,140.34 is: 55,178,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021,801.59 : 100,770,110.64 = 39,984,140.34 : x
  2. Step 2: Convert to fraction form
    73,021,801.59/100,770,110.64 = 39,984,140.34/x
  3. Step 3: Cross multiply
    73,021,801.59x = 100,770,110.64 × 39,984,140.34
  4. Step 4: Simplify right side
    73,021,801.59x = 4,029,206,245,907,087.50
  5. Step 5: Solve for x
    x = 4,029,206,245,907,087.50/73,021,801.59
  6. Step 6: Final answer
    x = 55,178,127.05

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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.