Home / 126,555,072.54-189,730,451.48-116,339,884.64

Finding the Fourth Proportional to 126,555,072.54, 189,730,451.48 and 116,339,884.64

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Solution

The fourth proportional to 126,555,072.54, 189,730,451.48 and 116,339,884.64 is: 174,415,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,555,072.54 : 189,730,451.48 = 116,339,884.64 : x
  2. Step 2: Convert to fraction form
    126,555,072.54/189,730,451.48 = 116,339,884.64/x
  3. Step 3: Cross multiply
    126,555,072.54x = 189,730,451.48 × 116,339,884.64
  4. Step 4: Simplify right side
    126,555,072.54x = 22,073,218,837,878,316
  5. Step 5: Solve for x
    x = 22,073,218,837,878,316/126,555,072.54
  6. Step 6: Final answer
    x = 174,415,915.50

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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.