Home / 124,422,311.40-186,661,460.70-73,278,004.20

Finding the Fourth Proportional to 124,422,311.40, 186,661,460.70 and 73,278,004.20

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Solution

The fourth proportional to 124,422,311.40, 186,661,460.70 and 73,278,004.20 is: 109,933,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,422,311.40 : 186,661,460.70 = 73,278,004.20 : x
  2. Step 2: Convert to fraction form
    124,422,311.40/186,661,460.70 = 73,278,004.20/x
  3. Step 3: Cross multiply
    124,422,311.40x = 186,661,460.70 × 73,278,004.20
  4. Step 4: Simplify right side
    124,422,311.40x = 13,678,179,301,152,734
  5. Step 5: Solve for x
    x = 13,678,179,301,152,734/124,422,311.40
  6. Step 6: Final answer
    x = 109,933,493.01

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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.