Home / 68,952,859.20-103,429,288.80-30,573,633.60

Finding the Fourth Proportional to 68,952,859.20, 103,429,288.80 and 30,573,633.60

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Solution

The fourth proportional to 68,952,859.20, 103,429,288.80 and 30,573,633.60 is: 45,860,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952,859.20 : 103,429,288.80 = 30,573,633.60 : x
  2. Step 2: Convert to fraction form
    68,952,859.20/103,429,288.80 = 30,573,633.60/x
  3. Step 3: Cross multiply
    68,952,859.20x = 103,429,288.80 × 30,573,633.60
  4. Step 4: Simplify right side
    68,952,859.20x = 3,162,209,179,279,783.50
  5. Step 5: Solve for x
    x = 3,162,209,179,279,783.50/68,952,859.20
  6. Step 6: Final answer
    x = 45,860,450.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.