Home / 80,931,656.80-121,397,485.20-26,349,385.60

Finding the Fourth Proportional to 80,931,656.80, 121,397,485.20 and 26,349,385.60

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Solution

The fourth proportional to 80,931,656.80, 121,397,485.20 and 26,349,385.60 is: 39,524,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,931,656.80 : 121,397,485.20 = 26,349,385.60 : x
  2. Step 2: Convert to fraction form
    80,931,656.80/121,397,485.20 = 26,349,385.60/x
  3. Step 3: Cross multiply
    80,931,656.80x = 121,397,485.20 × 26,349,385.60
  4. Step 4: Simplify right side
    80,931,656.80x = 3,198,749,148,405,093.50
  5. Step 5: Solve for x
    x = 3,198,749,148,405,093.50/80,931,656.80
  6. Step 6: Final answer
    x = 39,524,078.40

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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.