Home / 85,109,212.30-127,579,837.65-41,943,081.10

Finding the Fourth Proportional to 85,109,212.30, 127,579,837.65 and 41,943,081.10

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Solution

The fourth proportional to 85,109,212.30, 127,579,837.65 and 41,943,081.10 is: 62,873,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,109,212.30 : 127,579,837.65 = 41,943,081.10 : x
  2. Step 2: Convert to fraction form
    85,109,212.30/127,579,837.65 = 41,943,081.10/x
  3. Step 3: Cross multiply
    85,109,212.30x = 127,579,837.65 × 41,943,081.10
  4. Step 4: Simplify right side
    85,109,212.30x = 5,351,091,477,278,784
  5. Step 5: Solve for x
    x = 5,351,091,477,278,784/85,109,212.30
  6. Step 6: Final answer
    x = 62,873,234.67

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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.