Home / 145,972,372.99-201,433,678.72-79,892,736.61

Finding the Fourth Proportional to 145,972,372.99, 201,433,678.72 and 79,892,736.61

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Solution

The fourth proportional to 145,972,372.99, 201,433,678.72 and 79,892,736.61 is: 110,247,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,972,372.99 : 201,433,678.72 = 79,892,736.61 : x
  2. Step 2: Convert to fraction form
    145,972,372.99/201,433,678.72 = 79,892,736.61/x
  3. Step 3: Cross multiply
    145,972,372.99x = 201,433,678.72 × 79,892,736.61
  4. Step 4: Simplify right side
    145,972,372.99x = 16,093,087,838,360,322
  5. Step 5: Solve for x
    x = 16,093,087,838,360,322/145,972,372.99
  6. Step 6: Final answer
    x = 110,247,490.73

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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.