Home / 137,603,736.44-189,890,700.37-74,877,695.04

Finding the Fourth Proportional to 137,603,736.44, 189,890,700.37 and 74,877,695.04

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Solution

The fourth proportional to 137,603,736.44, 189,890,700.37 and 74,877,695.04 is: 103,329,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,603,736.44 : 189,890,700.37 = 74,877,695.04 : x
  2. Step 2: Convert to fraction form
    137,603,736.44/189,890,700.37 = 74,877,695.04/x
  3. Step 3: Cross multiply
    137,603,736.44x = 189,890,700.37 × 74,877,695.04
  4. Step 4: Simplify right side
    137,603,736.44x = 14,218,577,953,049,682
  5. Step 5: Solve for x
    x = 14,218,577,953,049,682/137,603,736.44
  6. Step 6: Final answer
    x = 103,329,882.76

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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.