Home / 65,770,479.68-90,757,112.64-39,303,581.27

Finding the Fourth Proportional to 65,770,479.68, 90,757,112.64 and 39,303,581.27

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Solution

The fourth proportional to 65,770,479.68, 90,757,112.64 and 39,303,581.27 is: 54,235,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,770,479.68 : 90,757,112.64 = 39,303,581.27 : x
  2. Step 2: Convert to fraction form
    65,770,479.68/90,757,112.64 = 39,303,581.27/x
  3. Step 3: Cross multiply
    65,770,479.68x = 90,757,112.64 × 39,303,581.27
  4. Step 4: Simplify right side
    65,770,479.68x = 3,567,079,552,476,784.50
  5. Step 5: Solve for x
    x = 3,567,079,552,476,784.50/65,770,479.68
  6. Step 6: Final answer
    x = 54,235,267.40

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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.