Home / 55,134,021.80-82,701,032.70-52,488,626.60

Finding the Fourth Proportional to 55,134,021.80, 82,701,032.70 and 52,488,626.60

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Solution

The fourth proportional to 55,134,021.80, 82,701,032.70 and 52,488,626.60 is: 78,732,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134,021.80 : 82,701,032.70 = 52,488,626.60 : x
  2. Step 2: Convert to fraction form
    55,134,021.80/82,701,032.70 = 52,488,626.60/x
  3. Step 3: Cross multiply
    55,134,021.80x = 82,701,032.70 × 52,488,626.60
  4. Step 4: Simplify right side
    55,134,021.80x = 4,340,863,624,824,690
  5. Step 5: Solve for x
    x = 4,340,863,624,824,690/55,134,021.80
  6. Step 6: Final answer
    x = 78,732,939.90

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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.