Finding the Fourth Proportional to 115,609,559,034.24, 159,528,252,173.52 and 64,170,286,938.38
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Solution
The fourth proportional to 115,609,559,034.24, 159,528,252,173.52 and 64,170,286,938.38 is: 88,547,813,885.53
Step by Step Solution
- Step 1: Write the proportion equation
115,609,559,034.24 : 159,528,252,173.52 = 64,170,286,938.38 : x - Step 2: Convert to fraction form
115,609,559,034.24/159,528,252,173.52 = 64,170,286,938.38/x - Step 3: Cross multiply
115,609,559,034.24x = 159,528,252,173.52 × 64,170,286,938.38 - Step 4: Simplify right side
115,609,559,034.24x = 10,236,973,716,752,222,388,224 - Step 5: Solve for x
x = 10,236,973,716,752,222,388,224/115,609,559,034.24 - Step 6: Final answer
x = 88,547,813,885.53
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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.