Home / 51,560,611.74-71,152,223.94-28,355,736.20

Finding the Fourth Proportional to 51,560,611.74, 71,152,223.94 and 28,355,736.20

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Solution

The fourth proportional to 51,560,611.74, 71,152,223.94 and 28,355,736.20 is: 39,130,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560,611.74 : 71,152,223.94 = 28,355,736.20 : x
  2. Step 2: Convert to fraction form
    51,560,611.74/71,152,223.94 = 28,355,736.20/x
  3. Step 3: Cross multiply
    51,560,611.74x = 71,152,223.94 × 28,355,736.20
  4. Step 4: Simplify right side
    51,560,611.74x = 2,017,573,691,730,203.50
  5. Step 5: Solve for x
    x = 2,017,573,691,730,203.50/51,560,611.74
  6. Step 6: Final answer
    x = 39,130,134.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.