Home / 139,656,714.76-192,732,245.22-77,777,053.24

Finding the Fourth Proportional to 139,656,714.76, 192,732,245.22 and 77,777,053.24

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Solution

The fourth proportional to 139,656,714.76, 192,732,245.22 and 77,777,053.24 is: 107,335,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,656,714.76 : 192,732,245.22 = 77,777,053.24 : x
  2. Step 2: Convert to fraction form
    139,656,714.76/192,732,245.22 = 77,777,053.24/x
  3. Step 3: Cross multiply
    139,656,714.76x = 192,732,245.22 × 77,777,053.24
  4. Step 4: Simplify right side
    139,656,714.76x = 14,990,146,097,540,674
  5. Step 5: Solve for x
    x = 14,990,146,097,540,674/139,656,714.76
  6. Step 6: Final answer
    x = 107,335,663.19

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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.