Home / 142,072,108-196,059,509.10-76,882,012

Finding the Fourth Proportional to 142,072,108, 196,059,509.10 and 76,882,012

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Solution

The fourth proportional to 142,072,108, 196,059,509.10 and 76,882,012 is: 106,097,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,072,108 : 196,059,509.10 = 76,882,012 : x
  2. Step 2: Convert to fraction form
    142,072,108/196,059,509.10 = 76,882,012/x
  3. Step 3: Cross multiply
    142,072,108x = 196,059,509.10 × 76,882,012
  4. Step 4: Simplify right side
    142,072,108x = 15,073,449,531,340,308
  5. Step 5: Solve for x
    x = 15,073,449,531,340,308/142,072,108
  6. Step 6: Final answer
    x = 106,097,176.59

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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.