Finding the Fourth Proportional to 181,435,675.20, 272,153,512.80 and 173,877,403.20
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Solution
The fourth proportional to 181,435,675.20, 272,153,512.80 and 173,877,403.20 is: 260,816,104.80
Step by Step Solution
- Step 1: Write the proportion equation
181,435,675.20 : 272,153,512.80 = 173,877,403.20 : x - Step 2: Convert to fraction form
181,435,675.20/272,153,512.80 = 173,877,403.20/x - Step 3: Cross multiply
181,435,675.20x = 272,153,512.80 × 173,877,403.20 - Step 4: Simplify right side
181,435,675.20x = 47,321,346,077,421,960 - Step 5: Solve for x
x = 47,321,346,077,421,960/181,435,675.20 - Step 6: Final answer
x = 260,816,104.80
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1.5x scale
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.