Home / 142,039,264,657.44-196,012,623,676.46-76,932,072,318.58

Finding the Fourth Proportional to 142,039,264,657.44, 196,012,623,676.46 and 76,932,072,318.58

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Solution

The fourth proportional to 142,039,264,657.44, 196,012,623,676.46 and 76,932,072,318.58 is: 106,165,414,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,039,264,657.44 : 196,012,623,676.46 = 76,932,072,318.58 : x
  2. Step 2: Convert to fraction form
    142,039,264,657.44/196,012,623,676.46 = 76,932,072,318.58/x
  3. Step 3: Cross multiply
    142,039,264,657.44x = 196,012,623,676.46 × 76,932,072,318.58
  4. Step 4: Simplify right side
    142,039,264,657.44x = 15,079,657,340,031,438,159,872
  5. Step 5: Solve for x
    x = 15,079,657,340,031,438,159,872/142,039,264,657.44
  6. Step 6: Final answer
    x = 106,165,414,024.07

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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.