Home / 55,032,198.40-82,548,297.60-42,316,883.20

Finding the Fourth Proportional to 55,032,198.40, 82,548,297.60 and 42,316,883.20

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Solution

The fourth proportional to 55,032,198.40, 82,548,297.60 and 42,316,883.20 is: 63,475,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,032,198.40 : 82,548,297.60 = 42,316,883.20 : x
  2. Step 2: Convert to fraction form
    55,032,198.40/82,548,297.60 = 42,316,883.20/x
  3. Step 3: Cross multiply
    55,032,198.40x = 82,548,297.60 × 42,316,883.20
  4. Step 4: Simplify right side
    55,032,198.40x = 3,493,186,667,898,040.50
  5. Step 5: Solve for x
    x = 3,493,186,667,898,040.50/55,032,198.40
  6. Step 6: Final answer
    x = 63,475,324.80

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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.