Finding the Fourth Proportional to 316,183,321.50, 436,378,808.88 and 182,195,170.26
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Solution
The fourth proportional to 316,183,321.50, 436,378,808.88 and 182,195,170.26 is: 251,455,740.94
Step by Step Solution
- Step 1: Write the proportion equation
316,183,321.50 : 436,378,808.88 = 182,195,170.26 : x - Step 2: Convert to fraction form
316,183,321.50/436,378,808.88 = 182,195,170.26/x - Step 3: Cross multiply
316,183,321.50x = 436,378,808.88 × 182,195,170.26 - Step 4: Simplify right side
316,183,321.50x = 79,506,111,381,747,600 - Step 5: Solve for x
x = 79,506,111,381,747,600/316,183,321.50 - Step 6: Final answer
x = 251,455,740.94
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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.