Home / 55,134,137.40-82,701,206.10-39,828,636.60

Finding the Fourth Proportional to 55,134,137.40, 82,701,206.10 and 39,828,636.60

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Solution

The fourth proportional to 55,134,137.40, 82,701,206.10 and 39,828,636.60 is: 59,742,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134,137.40 : 82,701,206.10 = 39,828,636.60 : x
  2. Step 2: Convert to fraction form
    55,134,137.40/82,701,206.10 = 39,828,636.60/x
  3. Step 3: Cross multiply
    55,134,137.40x = 82,701,206.10 × 39,828,636.60
  4. Step 4: Simplify right side
    55,134,137.40x = 3,293,876,284,138,603
  5. Step 5: Solve for x
    x = 3,293,876,284,138,603/55,134,137.40
  6. Step 6: Final answer
    x = 59,742,954.90

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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.