Home / 84,601,600-116,750,907.84-45,970,432

Finding the Fourth Proportional to 84,601,600, 116,750,907.84 and 45,970,432

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Solution

The fourth proportional to 84,601,600, 116,750,907.84 and 45,970,432 is: 63,439,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,601,600 : 116,750,907.84 = 45,970,432 : x
  2. Step 2: Convert to fraction form
    84,601,600/116,750,907.84 = 45,970,432/x
  3. Step 3: Cross multiply
    84,601,600x = 116,750,907.84 × 45,970,432
  4. Step 4: Simplify right side
    84,601,600x = 5,367,089,669,796,987
  5. Step 5: Solve for x
    x = 5,367,089,669,796,987/84,601,600
  6. Step 6: Final answer
    x = 63,439,576.44

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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.