Home / 127,429,977.60-191,185,440.48-53,692,735.68

Finding the Fourth Proportional to 127,429,977.60, 191,185,440.48 and 53,692,735.68

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Solution

The fourth proportional to 127,429,977.60, 191,185,440.48 and 53,692,735.68 is: 80,556,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429,977.60 : 191,185,440.48 = 53,692,735.68 : x
  2. Step 2: Convert to fraction form
    127,429,977.60/191,185,440.48 = 53,692,735.68/x
  3. Step 3: Cross multiply
    127,429,977.60x = 191,185,440.48 × 53,692,735.68
  4. Step 4: Simplify right side
    127,429,977.60x = 10,265,269,321,557,012
  5. Step 5: Solve for x
    x = 10,265,269,321,557,012/127,429,977.60
  6. Step 6: Final answer
    x = 80,556,157.31

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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.