Home / 85,833,713.75-118,453,639.82-49,171,370.63

Finding the Fourth Proportional to 85,833,713.75, 118,453,639.82 and 49,171,370.63

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Solution

The fourth proportional to 85,833,713.75, 118,453,639.82 and 49,171,370.63 is: 67,858,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,713.75 : 118,453,639.82 = 49,171,370.63 : x
  2. Step 2: Convert to fraction form
    85,833,713.75/118,453,639.82 = 49,171,370.63/x
  3. Step 3: Cross multiply
    85,833,713.75x = 118,453,639.82 × 49,171,370.63
  4. Step 4: Simplify right side
    85,833,713.75x = 5,824,527,825,223,621
  5. Step 5: Solve for x
    x = 5,824,527,825,223,621/85,833,713.75
  6. Step 6: Final answer
    x = 67,858,275.86

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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.