Home / 126,178,154.32-189,333,914.37-89,526,908.71

Finding the Fourth Proportional to 126,178,154.32, 189,333,914.37 and 89,526,908.71

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Solution

The fourth proportional to 126,178,154.32, 189,333,914.37 and 89,526,908.71 is: 134,337,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,154.32 : 189,333,914.37 = 89,526,908.71 : x
  2. Step 2: Convert to fraction form
    126,178,154.32/189,333,914.37 = 89,526,908.71/x
  3. Step 3: Cross multiply
    126,178,154.32x = 189,333,914.37 × 89,526,908.71
  4. Step 4: Simplify right side
    126,178,154.32x = 16,950,480,067,509,946
  5. Step 5: Solve for x
    x = 16,950,480,067,509,946/126,178,154.32
  6. Step 6: Final answer
    x = 134,337,676.43

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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.