Home / 73,071,780,359.82-109,608,154,819.29-28,308,248,516.22

Finding the Fourth Proportional to 73,071,780,359.82, 109,608,154,819.29 and 28,308,248,516.22

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Solution

The fourth proportional to 73,071,780,359.82, 109,608,154,819.29 and 28,308,248,516.22 is: 42,462,560,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071,780,359.82 : 109,608,154,819.29 = 28,308,248,516.22 : x
  2. Step 2: Convert to fraction form
    73,071,780,359.82/109,608,154,819.29 = 28,308,248,516.22/x
  3. Step 3: Cross multiply
    73,071,780,359.82x = 109,608,154,819.29 × 28,308,248,516.22
  4. Step 4: Simplify right side
    73,071,780,359.82x = 3,102,814,886,028,778,143,744
  5. Step 5: Solve for x
    x = 3,102,814,886,028,778,143,744/73,071,780,359.82
  6. Step 6: Final answer
    x = 42,462,560,385.83

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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.