Home / 55,450,977.40-76,522,004.22-30,670,720.36

Finding the Fourth Proportional to 55,450,977.40, 76,522,004.22 and 30,670,720.36

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Solution

The fourth proportional to 55,450,977.40, 76,522,004.22 and 30,670,720.36 is: 42,325,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450,977.40 : 76,522,004.22 = 30,670,720.36 : x
  2. Step 2: Convert to fraction form
    55,450,977.40/76,522,004.22 = 30,670,720.36/x
  3. Step 3: Cross multiply
    55,450,977.40x = 76,522,004.22 × 30,670,720.36
  4. Step 4: Simplify right side
    55,450,977.40x = 2,346,984,992,818,360
  5. Step 5: Solve for x
    x = 2,346,984,992,818,360/55,450,977.40
  6. Step 6: Final answer
    x = 42,325,403.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.