Home / 78,167,515.20-117,293,263.20-32,733,902.40

Finding the Fourth Proportional to 78,167,515.20, 117,293,263.20 and 32,733,902.40

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Solution

The fourth proportional to 78,167,515.20, 117,293,263.20 and 32,733,902.40 is: 49,118,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167,515.20 : 117,293,263.20 = 32,733,902.40 : x
  2. Step 2: Convert to fraction form
    78,167,515.20/117,293,263.20 = 32,733,902.40/x
  3. Step 3: Cross multiply
    78,167,515.20x = 117,293,263.20 × 32,733,902.40
  4. Step 4: Simplify right side
    78,167,515.20x = 3,839,466,229,766,311.50
  5. Step 5: Solve for x
    x = 3,839,466,229,766,311.50/78,167,515.20
  6. Step 6: Final answer
    x = 49,118,437.75

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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.