Home / 57,983,987.44-80,017,953.96-31,878,949.36

Finding the Fourth Proportional to 57,983,987.44, 80,017,953.96 and 31,878,949.36

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Solution

The fourth proportional to 57,983,987.44, 80,017,953.96 and 31,878,949.36 is: 43,992,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983,987.44 : 80,017,953.96 = 31,878,949.36 : x
  2. Step 2: Convert to fraction form
    57,983,987.44/80,017,953.96 = 31,878,949.36/x
  3. Step 3: Cross multiply
    57,983,987.44x = 80,017,953.96 × 31,878,949.36
  4. Step 4: Simplify right side
    57,983,987.44x = 2,550,888,302,181,651
  5. Step 5: Solve for x
    x = 2,550,888,302,181,651/57,983,987.44
  6. Step 6: Final answer
    x = 43,992,978.32

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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.