Home / 65,679,085.68-90,633,250.40-36,308,666.60

Finding the Fourth Proportional to 65,679,085.68, 90,633,250.40 and 36,308,666.60

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Solution

The fourth proportional to 65,679,085.68, 90,633,250.40 and 36,308,666.60 is: 50,103,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679,085.68 : 90,633,250.40 = 36,308,666.60 : x
  2. Step 2: Convert to fraction form
    65,679,085.68/90,633,250.40 = 36,308,666.60/x
  3. Step 3: Cross multiply
    65,679,085.68x = 90,633,250.40 × 36,308,666.60
  4. Step 4: Simplify right side
    65,679,085.68x = 3,290,772,471,647,917
  5. Step 5: Solve for x
    x = 3,290,772,471,647,917/65,679,085.68
  6. Step 6: Final answer
    x = 50,103,810.64

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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.