Home / 51,979,501.44-71,730,852.48-28,774,137.60

Finding the Fourth Proportional to 51,979,501.44, 71,730,852.48 and 28,774,137.60

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Solution

The fourth proportional to 51,979,501.44, 71,730,852.48 and 28,774,137.60 is: 39,707,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,501.44 : 71,730,852.48 = 28,774,137.60 : x
  2. Step 2: Convert to fraction form
    51,979,501.44/71,730,852.48 = 28,774,137.60/x
  3. Step 3: Cross multiply
    51,979,501.44x = 71,730,852.48 × 28,774,137.60
  4. Step 4: Simplify right side
    51,979,501.44x = 2,063,993,419,424,821.50
  5. Step 5: Solve for x
    x = 2,063,993,419,424,821.50/51,979,501.44
  6. Step 6: Final answer
    x = 39,707,834.09

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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.