Home / 105,396,109.38-158,139,379.08-40,745,313

Finding the Fourth Proportional to 105,396,109.38, 158,139,379.08 and 40,745,313

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Solution

The fourth proportional to 105,396,109.38, 158,139,379.08 and 40,745,313 is: 61,135,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396,109.38 : 158,139,379.08 = 40,745,313 : x
  2. Step 2: Convert to fraction form
    105,396,109.38/158,139,379.08 = 40,745,313/x
  3. Step 3: Cross multiply
    105,396,109.38x = 158,139,379.08 × 40,745,313
  4. Step 4: Simplify right side
    105,396,109.38x = 6,443,438,498,240,253
  5. Step 5: Solve for x
    x = 6,443,438,498,240,253/105,396,109.38
  6. Step 6: Final answer
    x = 61,135,449.27

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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.