Home / 104,708,245.08-156,858,039.84-81,570,842.64

Finding the Fourth Proportional to 104,708,245.08, 156,858,039.84 and 81,570,842.64

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Solution

The fourth proportional to 104,708,245.08, 156,858,039.84 and 81,570,842.64 is: 122,197,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708,245.08 : 156,858,039.84 = 81,570,842.64 : x
  2. Step 2: Convert to fraction form
    104,708,245.08/156,858,039.84 = 81,570,842.64/x
  3. Step 3: Cross multiply
    104,708,245.08x = 156,858,039.84 × 81,570,842.64
  4. Step 4: Simplify right side
    104,708,245.08x = 12,795,042,484,607,492
  5. Step 5: Solve for x
    x = 12,795,042,484,607,492/104,708,245.08
  6. Step 6: Final answer
    x = 122,197,086.53

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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.