Home / 126,178,138.75-189,333,891.04-89,526,893.12

Finding the Fourth Proportional to 126,178,138.75, 189,333,891.04 and 89,526,893.12

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Solution

The fourth proportional to 126,178,138.75, 189,333,891.04 and 89,526,893.12 is: 134,337,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,138.75 : 189,333,891.04 = 89,526,893.12 : x
  2. Step 2: Convert to fraction form
    126,178,138.75/189,333,891.04 = 89,526,893.12/x
  3. Step 3: Cross multiply
    126,178,138.75x = 189,333,891.04 × 89,526,893.12
  4. Step 4: Simplify right side
    126,178,138.75x = 16,950,475,027,381,324
  5. Step 5: Solve for x
    x = 16,950,475,027,381,324/126,178,138.75
  6. Step 6: Final answer
    x = 134,337,653.06

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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.