Home / 43,086,893.40-64,630,340.10-20,412,077.40

Finding the Fourth Proportional to 43,086,893.40, 64,630,340.10 and 20,412,077.40

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Solution

The fourth proportional to 43,086,893.40, 64,630,340.10 and 20,412,077.40 is: 30,618,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086,893.40 : 64,630,340.10 = 20,412,077.40 : x
  2. Step 2: Convert to fraction form
    43,086,893.40/64,630,340.10 = 20,412,077.40/x
  3. Step 3: Cross multiply
    43,086,893.40x = 64,630,340.10 × 20,412,077.40
  4. Step 4: Simplify right side
    43,086,893.40x = 1,319,239,504,509,523.75
  5. Step 5: Solve for x
    x = 1,319,239,504,509,523.75/43,086,893.40
  6. Step 6: Final answer
    x = 30,618,116.10

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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.