Home / 57,983,985.44-80,017,951.20-31,878,947.36

Finding the Fourth Proportional to 57,983,985.44, 80,017,951.20 and 31,878,947.36

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Solution

The fourth proportional to 57,983,985.44, 80,017,951.20 and 31,878,947.36 is: 43,992,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983,985.44 : 80,017,951.20 = 31,878,947.36 : x
  2. Step 2: Convert to fraction form
    57,983,985.44/80,017,951.20 = 31,878,947.36/x
  3. Step 3: Cross multiply
    57,983,985.44x = 80,017,951.20 × 31,878,947.36
  4. Step 4: Simplify right side
    57,983,985.44x = 2,550,888,054,159,849
  5. Step 5: Solve for x
    x = 2,550,888,054,159,849/57,983,985.44
  6. Step 6: Final answer
    x = 43,992,975.56

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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.