Home / 79,719,379.83-119,579,071.14-19,135,105.83

Finding the Fourth Proportional to 79,719,379.83, 119,579,071.14 and 19,135,105.83

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Solution

The fourth proportional to 79,719,379.83, 119,579,071.14 and 19,135,105.83 is: 28,702,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,379.83 : 119,579,071.14 = 19,135,105.83 : x
  2. Step 2: Convert to fraction form
    79,719,379.83/119,579,071.14 = 19,135,105.83/x
  3. Step 3: Cross multiply
    79,719,379.83x = 119,579,071.14 × 19,135,105.83
  4. Step 4: Simplify right side
    79,719,379.83x = 2,288,158,181,316,998.50
  5. Step 5: Solve for x
    x = 2,288,158,181,316,998.50/79,719,379.83
  6. Step 6: Final answer
    x = 28,702,659.08

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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.