Finding the Fourth Proportional to 208,656,631.08, 312,577,795.26 and 136,634,697
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Solution
The fourth proportional to 208,656,631.08, 312,577,795.26 and 136,634,697 is: 204,685,430.43
Step by Step Solution
- Step 1: Write the proportion equation
208,656,631.08 : 312,577,795.26 = 136,634,697 : x - Step 2: Convert to fraction form
208,656,631.08/312,577,795.26 = 136,634,697/x - Step 3: Cross multiply
208,656,631.08x = 312,577,795.26 × 136,634,697 - Step 4: Simplify right side
208,656,631.08x = 42,708,972,344,278,136 - Step 5: Solve for x
x = 42,708,972,344,278,136/208,656,631.08 - Step 6: Final answer
x = 204,685,430.43
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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.