Home / 82,539,793.31-113,902,452.86-47,256,427.80

Finding the Fourth Proportional to 82,539,793.31, 113,902,452.86 and 47,256,427.80

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Solution

The fourth proportional to 82,539,793.31, 113,902,452.86 and 47,256,427.80 is: 65,212,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,539,793.31 : 113,902,452.86 = 47,256,427.80 : x
  2. Step 2: Convert to fraction form
    82,539,793.31/113,902,452.86 = 47,256,427.80/x
  3. Step 3: Cross multiply
    82,539,793.31x = 113,902,452.86 × 47,256,427.80
  4. Step 4: Simplify right side
    82,539,793.31x = 5,382,623,039,585,211
  5. Step 5: Solve for x
    x = 5,382,623,039,585,211/82,539,793.31
  6. Step 6: Final answer
    x = 65,212,460.85

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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.