Home / 126,178,144.76-189,333,900.04-89,526,899.12

Finding the Fourth Proportional to 126,178,144.76, 189,333,900.04 and 89,526,899.12

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Solution

The fourth proportional to 126,178,144.76, 189,333,900.04 and 89,526,899.12 is: 134,337,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,144.76 : 189,333,900.04 = 89,526,899.12 : x
  2. Step 2: Convert to fraction form
    126,178,144.76/189,333,900.04 = 89,526,899.12/x
  3. Step 3: Cross multiply
    126,178,144.76x = 189,333,900.04 × 89,526,899.12
  4. Step 4: Simplify right side
    126,178,144.76x = 16,950,476,968,877,244
  5. Step 5: Solve for x
    x = 16,950,476,968,877,244/126,178,144.76
  6. Step 6: Final answer
    x = 134,337,662.05

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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.