Home / 193,137,999.60-289,706,999.40-91,101,327.60

Finding the Fourth Proportional to 193,137,999.60, 289,706,999.40 and 91,101,327.60

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Solution

The fourth proportional to 193,137,999.60, 289,706,999.40 and 91,101,327.60 is: 136,651,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137,999.60 : 289,706,999.40 = 91,101,327.60 : x
  2. Step 2: Convert to fraction form
    193,137,999.60/289,706,999.40 = 91,101,327.60/x
  3. Step 3: Cross multiply
    193,137,999.60x = 289,706,999.40 × 91,101,327.60
  4. Step 4: Simplify right side
    193,137,999.60x = 26,392,692,260,352,400
  5. Step 5: Solve for x
    x = 26,392,692,260,352,400/193,137,999.60
  6. Step 6: Final answer
    x = 136,651,991.40

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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.