Home / 80,349,596.76-120,539,908.98-34,290,793.56

Finding the Fourth Proportional to 80,349,596.76, 120,539,908.98 and 34,290,793.56

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Solution

The fourth proportional to 80,349,596.76, 120,539,908.98 and 34,290,793.56 is: 51,442,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349,596.76 : 120,539,908.98 = 34,290,793.56 : x
  2. Step 2: Convert to fraction form
    80,349,596.76/120,539,908.98 = 34,290,793.56/x
  3. Step 3: Cross multiply
    80,349,596.76x = 120,539,908.98 × 34,290,793.56
  4. Step 4: Simplify right side
    80,349,596.76x = 4,133,409,134,574,370.50
  5. Step 5: Solve for x
    x = 4,133,409,134,574,370.50/80,349,596.76
  6. Step 6: Final answer
    x = 51,442,811.18

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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.