Home / 55,494,920.40-83,242,380.60-54,538,326.60

Finding the Fourth Proportional to 55,494,920.40, 83,242,380.60 and 54,538,326.60

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Solution

The fourth proportional to 55,494,920.40, 83,242,380.60 and 54,538,326.60 is: 81,807,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,494,920.40 : 83,242,380.60 = 54,538,326.60 : x
  2. Step 2: Convert to fraction form
    55,494,920.40/83,242,380.60 = 54,538,326.60/x
  3. Step 3: Cross multiply
    55,494,920.40x = 83,242,380.60 × 54,538,326.60
  4. Step 4: Simplify right side
    55,494,920.40x = 4,539,900,140,124,304
  5. Step 5: Solve for x
    x = 4,539,900,140,124,304/55,494,920.40
  6. Step 6: Final answer
    x = 81,807,489.90

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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.