Home / 65,882,032.87-90,917,211.90-36,515,259.31

Finding the Fourth Proportional to 65,882,032.87, 90,917,211.90 and 36,515,259.31

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Solution

The fourth proportional to 65,882,032.87, 90,917,211.90 and 36,515,259.31 is: 50,391,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882,032.87 : 90,917,211.90 = 36,515,259.31 : x
  2. Step 2: Convert to fraction form
    65,882,032.87/90,917,211.90 = 36,515,259.31/x
  3. Step 3: Cross multiply
    65,882,032.87x = 90,917,211.90 × 36,515,259.31
  4. Step 4: Simplify right side
    65,882,032.87x = 3,319,865,568,270,718
  5. Step 5: Solve for x
    x = 3,319,865,568,270,718/65,882,032.87
  6. Step 6: Final answer
    x = 50,391,061.47

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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.