Home / 145,630,003.80-218,445,005.70-131,017,344.60

Finding the Fourth Proportional to 145,630,003.80, 218,445,005.70 and 131,017,344.60

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Solution

The fourth proportional to 145,630,003.80, 218,445,005.70 and 131,017,344.60 is: 196,526,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,630,003.80 : 218,445,005.70 = 131,017,344.60 : x
  2. Step 2: Convert to fraction form
    145,630,003.80/218,445,005.70 = 131,017,344.60/x
  3. Step 3: Cross multiply
    145,630,003.80x = 218,445,005.70 × 131,017,344.60
  4. Step 4: Simplify right side
    145,630,003.80x = 28,620,084,587,945,860
  5. Step 5: Solve for x
    x = 28,620,084,587,945,860/145,630,003.80
  6. Step 6: Final answer
    x = 196,526,016.90

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1.5x scale

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.