Finding the Fourth Proportional to 154,343,611.10, 212,699,827.35 and 151,506,712.59
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Solution
The fourth proportional to 154,343,611.10, 212,699,827.35 and 151,506,712.59 is: 208,790,317.80
Step by Step Solution
- Step 1: Write the proportion equation
154,343,611.10 : 212,699,827.35 = 151,506,712.59 : x - Step 2: Convert to fraction form
154,343,611.10/212,699,827.35 = 151,506,712.59/x - Step 3: Cross multiply
154,343,611.10x = 212,699,827.35 × 151,506,712.59 - Step 4: Simplify right side
154,343,611.10x = 32,225,451,610,259,072 - Step 5: Solve for x
x = 32,225,451,610,259,072/154,343,611.10 - Step 6: Final answer
x = 208,790,317.80
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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.