Home / 69,246,265.90-95,557,023.08-39,878,705.02

Finding the Fourth Proportional to 69,246,265.90, 95,557,023.08 and 39,878,705.02

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Solution

The fourth proportional to 69,246,265.90, 95,557,023.08 and 39,878,705.02 is: 55,030,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,246,265.90 : 95,557,023.08 = 39,878,705.02 : x
  2. Step 2: Convert to fraction form
    69,246,265.90/95,557,023.08 = 39,878,705.02/x
  3. Step 3: Cross multiply
    69,246,265.90x = 95,557,023.08 × 39,878,705.02
  4. Step 4: Simplify right side
    69,246,265.90x = 3,810,690,335,857,455.50
  5. Step 5: Solve for x
    x = 3,810,690,335,857,455.50/69,246,265.90
  6. Step 6: Final answer
    x = 55,030,986.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.