Home / 276,678,288.48-415,090,118.52-99,433,325.22

Finding the Fourth Proportional to 276,678,288.48, 415,090,118.52 and 99,433,325.22

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Solution

The fourth proportional to 276,678,288.48, 415,090,118.52 and 99,433,325.22 is: 149,176,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,678,288.48 : 415,090,118.52 = 99,433,325.22 : x
  2. Step 2: Convert to fraction form
    276,678,288.48/415,090,118.52 = 99,433,325.22/x
  3. Step 3: Cross multiply
    276,678,288.48x = 415,090,118.52 × 99,433,325.22
  4. Step 4: Simplify right side
    276,678,288.48x = 41,273,790,750,407,504
  5. Step 5: Solve for x
    x = 41,273,790,750,407,504/276,678,288.48
  6. Step 6: Final answer
    x = 149,176,109.83

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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.