Finding the Fourth Proportional to 253,199,373.08, 379,794,909.30 and 80,673,842.84
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Solution
The fourth proportional to 253,199,373.08, 379,794,909.30 and 80,673,842.84 is: 121,009,441.89
Step by Step Solution
- Step 1: Write the proportion equation
253,199,373.08 : 379,794,909.30 = 80,673,842.84 : x - Step 2: Convert to fraction form
253,199,373.08/379,794,909.30 = 80,673,842.84/x - Step 3: Cross multiply
253,199,373.08x = 379,794,909.30 × 80,673,842.84 - Step 4: Simplify right side
253,199,373.08x = 30,639,514,824,300,256 - Step 5: Solve for x
x = 30,639,514,824,300,256/253,199,373.08 - Step 6: Final answer
x = 121,009,441.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.