Home / 140,205,418.70-210,120,136.43-109,118,611.32

Finding the Fourth Proportional to 140,205,418.70, 210,120,136.43 and 109,118,611.32

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Solution

The fourth proportional to 140,205,418.70, 210,120,136.43 and 109,118,611.32 is: 163,531,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,418.70 : 210,120,136.43 = 109,118,611.32 : x
  2. Step 2: Convert to fraction form
    140,205,418.70/210,120,136.43 = 109,118,611.32/x
  3. Step 3: Cross multiply
    140,205,418.70x = 210,120,136.43 × 109,118,611.32
  4. Step 4: Simplify right side
    140,205,418.70x = 22,928,017,498,970,280
  5. Step 5: Solve for x
    x = 22,928,017,498,970,280/140,205,418.70
  6. Step 6: Final answer
    x = 163,531,607.50

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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.