Home / 53,387,910.40-80,081,865.60-19,314,515.20

Finding the Fourth Proportional to 53,387,910.40, 80,081,865.60 and 19,314,515.20

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Solution

The fourth proportional to 53,387,910.40, 80,081,865.60 and 19,314,515.20 is: 28,971,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,387,910.40 : 80,081,865.60 = 19,314,515.20 : x
  2. Step 2: Convert to fraction form
    53,387,910.40/80,081,865.60 = 19,314,515.20/x
  3. Step 3: Cross multiply
    53,387,910.40x = 80,081,865.60 × 19,314,515.20
  4. Step 4: Simplify right side
    53,387,910.40x = 1,546,742,410,375,557
  5. Step 5: Solve for x
    x = 1,546,742,410,375,557/53,387,910.40
  6. Step 6: Final answer
    x = 28,971,772.80

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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.