Home / 55,415,277.12-76,476,477.60-30,970,943.04

Finding the Fourth Proportional to 55,415,277.12, 76,476,477.60 and 30,970,943.04

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Solution

The fourth proportional to 55,415,277.12, 76,476,477.60 and 30,970,943.04 is: 42,741,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415,277.12 : 76,476,477.60 = 30,970,943.04 : x
  2. Step 2: Convert to fraction form
    55,415,277.12/76,476,477.60 = 30,970,943.04/x
  3. Step 3: Cross multiply
    55,415,277.12x = 76,476,477.60 × 30,970,943.04
  4. Step 4: Simplify right side
    55,415,277.12x = 2,368,548,631,649,435.50
  5. Step 5: Solve for x
    x = 2,368,548,631,649,435.50/55,415,277.12
  6. Step 6: Final answer
    x = 42,741,798.92

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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.