Finding the Fourth Proportional to 135,037,571.35, 186,352,037.56 and 73,157,909.91
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Solution
The fourth proportional to 135,037,571.35, 186,352,037.56 and 73,157,909.91 is: 100,958,018.12
Step by Step Solution
- Step 1: Write the proportion equation
135,037,571.35 : 186,352,037.56 = 73,157,909.91 : x - Step 2: Convert to fraction form
135,037,571.35/186,352,037.56 = 73,157,909.91/x - Step 3: Cross multiply
135,037,571.35x = 186,352,037.56 × 73,157,909.91 - Step 4: Simplify right side
135,037,571.35x = 13,633,125,575,388,394 - Step 5: Solve for x
x = 13,633,125,575,388,394/135,037,571.35 - Step 6: Final answer
x = 100,958,018.12
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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.