Home / 77,753,394,458.40-116,630,091,967.42-21,855,882,029.88

Finding the Fourth Proportional to 77,753,394,458.40, 116,630,091,967.42 and 21,855,882,029.88

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Solution

The fourth proportional to 77,753,394,458.40, 116,630,091,967.42 and 21,855,882,029.88 is: 32,783,823,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,753,394,458.40 : 116,630,091,967.42 = 21,855,882,029.88 : x
  2. Step 2: Convert to fraction form
    77,753,394,458.40/116,630,091,967.42 = 21,855,882,029.88/x
  3. Step 3: Cross multiply
    77,753,394,458.40x = 116,630,091,967.42 × 21,855,882,029.88
  4. Step 4: Simplify right side
    77,753,394,458.40x = 2,549,053,531,173,986,762,752
  5. Step 5: Solve for x
    x = 2,549,053,531,173,986,762,752/77,753,394,458.40
  6. Step 6: Final answer
    x = 32,783,823,123.48

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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.