Home / 77,969,514.16-107,598,780.84-43,162,786

Finding the Fourth Proportional to 77,969,514.16, 107,598,780.84 and 43,162,786

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Solution

The fourth proportional to 77,969,514.16, 107,598,780.84 and 43,162,786 is: 59,565,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,514.16 : 107,598,780.84 = 43,162,786 : x
  2. Step 2: Convert to fraction form
    77,969,514.16/107,598,780.84 = 43,162,786/x
  3. Step 3: Cross multiply
    77,969,514.16x = 107,598,780.84 × 43,162,786
  4. Step 4: Simplify right side
    77,969,514.16x = 4,644,263,151,257,820
  5. Step 5: Solve for x
    x = 4,644,263,151,257,820/77,969,514.16
  6. Step 6: Final answer
    x = 59,565,115.95

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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.