Home / 55,050,489.60-75,969,763.02-30,604,203.60

Finding the Fourth Proportional to 55,050,489.60, 75,969,763.02 and 30,604,203.60

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Solution

The fourth proportional to 55,050,489.60, 75,969,763.02 and 30,604,203.60 is: 42,233,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050,489.60 : 75,969,763.02 = 30,604,203.60 : x
  2. Step 2: Convert to fraction form
    55,050,489.60/75,969,763.02 = 30,604,203.60/x
  3. Step 3: Cross multiply
    55,050,489.60x = 75,969,763.02 × 30,604,203.60
  4. Step 4: Simplify right side
    55,050,489.60x = 2,324,994,094,907,831
  5. Step 5: Solve for x
    x = 2,324,994,094,907,831/55,050,489.60
  6. Step 6: Final answer
    x = 42,233,849.54

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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.