Home / 98,345,554.89-135,713,310.75-54,291,609.67

Finding the Fourth Proportional to 98,345,554.89, 135,713,310.75 and 54,291,609.67

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Solution

The fourth proportional to 98,345,554.89, 135,713,310.75 and 54,291,609.67 is: 74,920,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,554.89 : 135,713,310.75 = 54,291,609.67 : x
  2. Step 2: Convert to fraction form
    98,345,554.89/135,713,310.75 = 54,291,609.67/x
  3. Step 3: Cross multiply
    98,345,554.89x = 135,713,310.75 × 54,291,609.67
  4. Step 4: Simplify right side
    98,345,554.89x = 7,368,094,093,923,131
  5. Step 5: Solve for x
    x = 7,368,094,093,923,131/98,345,554.89
  6. Step 6: Final answer
    x = 74,920,458.81

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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.