Home / 64,786,004-89,405,747.70-38,682,802.88

Finding the Fourth Proportional to 64,786,004, 89,405,747.70 and 38,682,802.88

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Solution

The fourth proportional to 64,786,004, 89,405,747.70 and 38,682,802.88 is: 53,382,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,786,004 : 89,405,747.70 = 38,682,802.88 : x
  2. Step 2: Convert to fraction form
    64,786,004/89,405,747.70 = 38,682,802.88/x
  3. Step 3: Cross multiply
    64,786,004x = 89,405,747.70 × 38,682,802.88
  4. Step 4: Simplify right side
    64,786,004x = 3,458,464,914,618,113.50
  5. Step 5: Solve for x
    x = 3,458,464,914,618,113.50/64,786,004
  6. Step 6: Final answer
    x = 53,382,902.19

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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.