Home / 106,591,890.80-159,962,485.80-68,346,412.40

Finding the Fourth Proportional to 106,591,890.80, 159,962,485.80 and 68,346,412.40

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Solution

The fourth proportional to 106,591,890.80, 159,962,485.80 and 68,346,412.40 is: 102,567,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,591,890.80 : 159,962,485.80 = 68,346,412.40 : x
  2. Step 2: Convert to fraction form
    106,591,890.80/159,962,485.80 = 68,346,412.40/x
  3. Step 3: Cross multiply
    106,591,890.80x = 159,962,485.80 × 68,346,412.40
  4. Step 4: Simplify right side
    106,591,890.80x = 10,932,862,023,015,946
  5. Step 5: Solve for x
    x = 10,932,862,023,015,946/106,591,890.80
  6. Step 6: Final answer
    x = 102,567,483.71

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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.