Home / 126,178,141.76-189,333,895.54-89,526,896.12

Finding the Fourth Proportional to 126,178,141.76, 189,333,895.54 and 89,526,896.12

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Solution

The fourth proportional to 126,178,141.76, 189,333,895.54 and 89,526,896.12 is: 134,337,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,141.76 : 189,333,895.54 = 89,526,896.12 : x
  2. Step 2: Convert to fraction form
    126,178,141.76/189,333,895.54 = 89,526,896.12/x
  3. Step 3: Cross multiply
    126,178,141.76x = 189,333,895.54 × 89,526,896.12
  4. Step 4: Simplify right side
    126,178,141.76x = 16,950,475,998,004,512
  5. Step 5: Solve for x
    x = 16,950,475,998,004,512/126,178,141.76
  6. Step 6: Final answer
    x = 134,337,657.55

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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.