Finding the Fourth Proportional to 125,028,108.08, 172,536,505.52 and 69,273,325.12
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Solution
The fourth proportional to 125,028,108.08, 172,536,505.52 and 69,273,325.12 is: 95,595,923.39
Step by Step Solution
- Step 1: Write the proportion equation
125,028,108.08 : 172,536,505.52 = 69,273,325.12 : x - Step 2: Convert to fraction form
125,028,108.08/172,536,505.52 = 69,273,325.12/x - Step 3: Cross multiply
125,028,108.08x = 172,536,505.52 × 69,273,325.12 - Step 4: Simplify right side
125,028,108.08x = 11,952,177,441,955,636 - Step 5: Solve for x
x = 11,952,177,441,955,636/125,028,108.08 - Step 6: Final answer
x = 95,595,923.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.