Home / 202,378,065.34-279,281,823.57-109,558,573.15

Finding the Fourth Proportional to 202,378,065.34, 279,281,823.57 and 109,558,573.15

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Solution

The fourth proportional to 202,378,065.34, 279,281,823.57 and 109,558,573.15 is: 151,190,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,065.34 : 279,281,823.57 = 109,558,573.15 : x
  2. Step 2: Convert to fraction form
    202,378,065.34/279,281,823.57 = 109,558,573.15/x
  3. Step 3: Cross multiply
    202,378,065.34x = 279,281,823.57 × 109,558,573.15
  4. Step 4: Simplify right side
    202,378,065.34x = 30,597,718,096,771,880
  5. Step 5: Solve for x
    x = 30,597,718,096,771,880/202,378,065.34
  6. Step 6: Final answer
    x = 151,190,881.51

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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.