Home / 129,905,387,305.68-194,858,941,899.96-50,325,775,139.28

Finding the Fourth Proportional to 129,905,387,305.68, 194,858,941,899.96 and 50,325,775,139.28

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Solution

The fourth proportional to 129,905,387,305.68, 194,858,941,899.96 and 50,325,775,139.28 is: 75,488,996,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,905,387,305.68 : 194,858,941,899.96 = 50,325,775,139.28 : x
  2. Step 2: Convert to fraction form
    129,905,387,305.68/194,858,941,899.96 = 50,325,775,139.28/x
  3. Step 3: Cross multiply
    129,905,387,305.68x = 194,858,941,899.96 × 50,325,775,139.28
  4. Step 4: Simplify right side
    129,905,387,305.68x = 9,806,427,293,935,411,920,896
  5. Step 5: Solve for x
    x = 9,806,427,293,935,411,920,896/129,905,387,305.68
  6. Step 6: Final answer
    x = 75,488,996,240.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.