Home / 192,456,009.40-288,684,014.10-115,928,505.40

Finding the Fourth Proportional to 192,456,009.40, 288,684,014.10 and 115,928,505.40

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Solution

The fourth proportional to 192,456,009.40, 288,684,014.10 and 115,928,505.40 is: 173,892,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,009.40 : 288,684,014.10 = 115,928,505.40 : x
  2. Step 2: Convert to fraction form
    192,456,009.40/288,684,014.10 = 115,928,505.40/x
  3. Step 3: Cross multiply
    192,456,009.40x = 288,684,014.10 × 115,928,505.40
  4. Step 4: Simplify right side
    192,456,009.40x = 33,466,706,287,485,532
  5. Step 5: Solve for x
    x = 33,466,706,287,485,532/192,456,009.40
  6. Step 6: Final answer
    x = 173,892,758.10

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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.