Home / 55,441,980.44-82,756,891.75-48,897,076.76

Finding the Fourth Proportional to 55,441,980.44, 82,756,891.75 and 48,897,076.76

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Solution

The fourth proportional to 55,441,980.44, 82,756,891.75 and 48,897,076.76 is: 72,987,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441,980.44 : 82,756,891.75 = 48,897,076.76 : x
  2. Step 2: Convert to fraction form
    55,441,980.44/82,756,891.75 = 48,897,076.76/x
  3. Step 3: Cross multiply
    55,441,980.44x = 82,756,891.75 × 48,897,076.76
  4. Step 4: Simplify right side
    55,441,980.44x = 4,046,570,088,318,760.50
  5. Step 5: Solve for x
    x = 4,046,570,088,318,760.50/55,441,980.44
  6. Step 6: Final answer
    x = 72,987,473.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.