Home / 315,541,747.52-435,449,800.32-176,318,377.28

Finding the Fourth Proportional to 315,541,747.52, 435,449,800.32 and 176,318,377.28

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Solution

The fourth proportional to 315,541,747.52, 435,449,800.32 and 176,318,377.28 is: 243,320,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,541,747.52 : 435,449,800.32 = 176,318,377.28 : x
  2. Step 2: Convert to fraction form
    315,541,747.52/435,449,800.32 = 176,318,377.28/x
  3. Step 3: Cross multiply
    315,541,747.52x = 435,449,800.32 × 176,318,377.28
  4. Step 4: Simplify right side
    315,541,747.52x = 76,777,802,179,322,416
  5. Step 5: Solve for x
    x = 76,777,802,179,322,416/315,541,747.52
  6. Step 6: Final answer
    x = 243,320,583.67

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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.