Home / 54,310,989.60-81,560,962.80-28,801,821.60

Finding the Fourth Proportional to 54,310,989.60, 81,560,962.80 and 28,801,821.60

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Solution

The fourth proportional to 54,310,989.60, 81,560,962.80 and 28,801,821.60 is: 43,252,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,989.60 : 81,560,962.80 = 28,801,821.60 : x
  2. Step 2: Convert to fraction form
    54,310,989.60/81,560,962.80 = 28,801,821.60/x
  3. Step 3: Cross multiply
    54,310,989.60x = 81,560,962.80 × 28,801,821.60
  4. Step 4: Simplify right side
    54,310,989.60x = 2,349,104,300,089,836.50
  5. Step 5: Solve for x
    x = 2,349,104,300,089,836.50/54,310,989.60
  6. Step 6: Final answer
    x = 43,252,835.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.