Home / 69,119,321.67-103,678,272.38-39,954,603.32

Finding the Fourth Proportional to 69,119,321.67, 103,678,272.38 and 39,954,603.32

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Solution

The fourth proportional to 69,119,321.67, 103,678,272.38 and 39,954,603.32 is: 59,931,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119,321.67 : 103,678,272.38 = 39,954,603.32 : x
  2. Step 2: Convert to fraction form
    69,119,321.67/103,678,272.38 = 39,954,603.32/x
  3. Step 3: Cross multiply
    69,119,321.67x = 103,678,272.38 × 39,954,603.32
  4. Step 4: Simplify right side
    69,119,321.67x = 4,142,424,245,127,647.50
  5. Step 5: Solve for x
    x = 4,142,424,245,127,647.50/69,119,321.67
  6. Step 6: Final answer
    x = 59,931,494.48

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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.