Home / 104,708,180.58-156,857,943.43-81,570,778.23

Finding the Fourth Proportional to 104,708,180.58, 156,857,943.43 and 81,570,778.23

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Solution

The fourth proportional to 104,708,180.58, 156,857,943.43 and 81,570,778.23 is: 122,196,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708,180.58 : 156,857,943.43 = 81,570,778.23 : x
  2. Step 2: Convert to fraction form
    104,708,180.58/156,857,943.43 = 81,570,778.23/x
  3. Step 3: Cross multiply
    104,708,180.58x = 156,857,943.43 × 81,570,778.23
  4. Step 4: Simplify right side
    104,708,180.58x = 12,795,024,517,142,416
  5. Step 5: Solve for x
    x = 12,795,024,517,142,416/104,708,180.58
  6. Step 6: Final answer
    x = 122,196,990.21

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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.