Home / 77,567,676.20-107,044,115.18-42,761,612.19

Finding the Fourth Proportional to 77,567,676.20, 107,044,115.18 and 42,761,612.19

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Solution

The fourth proportional to 77,567,676.20, 107,044,115.18 and 42,761,612.19 is: 59,011,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567,676.20 : 107,044,115.18 = 42,761,612.19 : x
  2. Step 2: Convert to fraction form
    77,567,676.20/107,044,115.18 = 42,761,612.19/x
  3. Step 3: Cross multiply
    77,567,676.20x = 107,044,115.18 × 42,761,612.19
  4. Step 4: Simplify right side
    77,567,676.20x = 4,577,378,940,548,852
  5. Step 5: Solve for x
    x = 4,577,378,940,548,852/77,567,676.20
  6. Step 6: Final answer
    x = 59,011,422.86

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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.