Home / 80,623,430.40-120,935,145.60-26,770,742.40

Finding the Fourth Proportional to 80,623,430.40, 120,935,145.60 and 26,770,742.40

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Solution

The fourth proportional to 80,623,430.40, 120,935,145.60 and 26,770,742.40 is: 40,156,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,623,430.40 : 120,935,145.60 = 26,770,742.40 : x
  2. Step 2: Convert to fraction form
    80,623,430.40/120,935,145.60 = 26,770,742.40/x
  3. Step 3: Cross multiply
    80,623,430.40x = 120,935,145.60 × 26,770,742.40
  4. Step 4: Simplify right side
    80,623,430.40x = 3,237,523,629,964,093
  5. Step 5: Solve for x
    x = 3,237,523,629,964,093/80,623,430.40
  6. Step 6: Final answer
    x = 40,156,113.60

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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.