Home / 51,585,525.02-71,188,021.56-28,380,153.62

Finding the Fourth Proportional to 51,585,525.02, 71,188,021.56 and 28,380,153.62

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Solution

The fourth proportional to 51,585,525.02, 71,188,021.56 and 28,380,153.62 is: 39,164,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,525.02 : 71,188,021.56 = 28,380,153.62 : x
  2. Step 2: Convert to fraction form
    51,585,525.02/71,188,021.56 = 28,380,153.62/x
  3. Step 3: Cross multiply
    51,585,525.02x = 71,188,021.56 × 28,380,153.62
  4. Step 4: Simplify right side
    51,585,525.02x = 2,020,326,987,776,672.25
  5. Step 5: Solve for x
    x = 2,020,326,987,776,672.25/51,585,525.02
  6. Step 6: Final answer
    x = 39,164,610.36

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1.5x scale

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.