Home / 134,309,820.97-201,453,158.58-81,773,874.64

Finding the Fourth Proportional to 134,309,820.97, 201,453,158.58 and 81,773,874.64

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Solution

The fourth proportional to 134,309,820.97, 201,453,158.58 and 81,773,874.64 is: 122,653,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,309,820.97 : 201,453,158.58 = 81,773,874.64 : x
  2. Step 2: Convert to fraction form
    134,309,820.97/201,453,158.58 = 81,773,874.64/x
  3. Step 3: Cross multiply
    134,309,820.97x = 201,453,158.58 × 81,773,874.64
  4. Step 4: Simplify right side
    134,309,820.97x = 16,473,605,335,552,962
  5. Step 5: Solve for x
    x = 16,473,605,335,552,962/134,309,820.97
  6. Step 6: Final answer
    x = 122,653,765.87

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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.