Home / 196,213,207,568.32-270,824,606,645.72-127,795,112,417.76

Finding the Fourth Proportional to 196,213,207,568.32, 270,824,606,645.72 and 127,795,112,417.76

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Solution

The fourth proportional to 196,213,207,568.32, 270,824,606,645.72 and 127,795,112,417.76 is: 176,390,068,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,213,207,568.32 : 270,824,606,645.72 = 127,795,112,417.76 : x
  2. Step 2: Convert to fraction form
    196,213,207,568.32/270,824,606,645.72 = 127,795,112,417.76/x
  3. Step 3: Cross multiply
    196,213,207,568.32x = 270,824,606,645.72 × 127,795,112,417.76
  4. Step 4: Simplify right side
    196,213,207,568.32x = 34,610,061,051,785,417,588,736
  5. Step 5: Solve for x
    x = 34,610,061,051,785,417,588,736/196,213,207,568.32
  6. Step 6: Final answer
    x = 176,390,068,134.10

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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.