Home / 100,014,562.80-150,021,844.20-76,126,690.80

Finding the Fourth Proportional to 100,014,562.80, 150,021,844.20 and 76,126,690.80

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Solution

The fourth proportional to 100,014,562.80, 150,021,844.20 and 76,126,690.80 is: 114,190,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,014,562.80 : 150,021,844.20 = 76,126,690.80 : x
  2. Step 2: Convert to fraction form
    100,014,562.80/150,021,844.20 = 76,126,690.80/x
  3. Step 3: Cross multiply
    100,014,562.80x = 150,021,844.20 × 76,126,690.80
  4. Step 4: Simplify right side
    100,014,562.80x = 11,420,666,546,659,172
  5. Step 5: Solve for x
    x = 11,420,666,546,659,172/100,014,562.80
  6. Step 6: Final answer
    x = 114,190,036.20

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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.