Home / 77,704,573-107,229,494.22-42,896,514.28

Finding the Fourth Proportional to 77,704,573, 107,229,494.22 and 42,896,514.28

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Solution

The fourth proportional to 77,704,573, 107,229,494.22 and 42,896,514.28 is: 59,195,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704,573 : 107,229,494.22 = 42,896,514.28 : x
  2. Step 2: Convert to fraction form
    77,704,573/107,229,494.22 = 42,896,514.28/x
  3. Step 3: Cross multiply
    77,704,573x = 107,229,494.22 × 42,896,514.28
  4. Step 4: Simplify right side
    77,704,573x = 4,599,771,530,045,408
  5. Step 5: Solve for x
    x = 4,599,771,530,045,408/77,704,573
  6. Step 6: Final answer
    x = 59,195,634.86

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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.