Home / 80,659,133.63-120,988,515.90-34,571,118.53

Finding the Fourth Proportional to 80,659,133.63, 120,988,515.90 and 34,571,118.53

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Solution

The fourth proportional to 80,659,133.63, 120,988,515.90 and 34,571,118.53 is: 51,856,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659,133.63 : 120,988,515.90 = 34,571,118.53 : x
  2. Step 2: Convert to fraction form
    80,659,133.63/120,988,515.90 = 34,571,118.53/x
  3. Step 3: Cross multiply
    80,659,133.63x = 120,988,515.90 × 34,571,118.53
  4. Step 4: Simplify right side
    80,659,133.63x = 4,182,708,323,342,747
  5. Step 5: Solve for x
    x = 4,182,708,323,342,747/80,659,133.63
  6. Step 6: Final answer
    x = 51,856,598.69

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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.