Home / 65,384,334.40-90,230,382.12-36,015,576.34

Finding the Fourth Proportional to 65,384,334.40, 90,230,382.12 and 36,015,576.34

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Solution

The fourth proportional to 65,384,334.40, 90,230,382.12 and 36,015,576.34 is: 49,701,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384,334.40 : 90,230,382.12 = 36,015,576.34 : x
  2. Step 2: Convert to fraction form
    65,384,334.40/90,230,382.12 = 36,015,576.34/x
  3. Step 3: Cross multiply
    65,384,334.40x = 90,230,382.12 × 36,015,576.34
  4. Step 4: Simplify right side
    65,384,334.40x = 3,249,699,215,430,231.50
  5. Step 5: Solve for x
    x = 3,249,699,215,430,231.50/65,384,334.40
  6. Step 6: Final answer
    x = 49,701,495.71

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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.