Home / 144,193,734.80-216,458,563.80-86,750,867.60

Finding the Fourth Proportional to 144,193,734.80, 216,458,563.80 and 86,750,867.60

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Solution

The fourth proportional to 144,193,734.80, 216,458,563.80 and 86,750,867.60 is: 130,227,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,193,734.80 : 216,458,563.80 = 86,750,867.60 : x
  2. Step 2: Convert to fraction form
    144,193,734.80/216,458,563.80 = 86,750,867.60/x
  3. Step 3: Cross multiply
    144,193,734.80x = 216,458,563.80 × 86,750,867.60
  4. Step 4: Simplify right side
    144,193,734.80x = 18,777,968,209,099,952
  5. Step 5: Solve for x
    x = 18,777,968,209,099,952/144,193,734.80
  6. Step 6: Final answer
    x = 130,227,351.66

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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.