Home / 121,796,103.60-182,694,155.40-30,919,692.60

Finding the Fourth Proportional to 121,796,103.60, 182,694,155.40 and 30,919,692.60

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Solution

The fourth proportional to 121,796,103.60, 182,694,155.40 and 30,919,692.60 is: 46,379,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,796,103.60 : 182,694,155.40 = 30,919,692.60 : x
  2. Step 2: Convert to fraction form
    121,796,103.60/182,694,155.40 = 30,919,692.60/x
  3. Step 3: Cross multiply
    121,796,103.60x = 182,694,155.40 × 30,919,692.60
  4. Step 4: Simplify right side
    121,796,103.60x = 5,648,847,124,784,630
  5. Step 5: Solve for x
    x = 5,648,847,124,784,630/121,796,103.60
  6. Step 6: Final answer
    x = 46,379,538.90

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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.