Finding the Fourth Proportional to 97,521,531.96, 134,560,763.28 and 57,821,729.34
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Solution
The fourth proportional to 97,521,531.96, 134,560,763.28 and 57,821,729.34 is: 79,782,750.31
Step by Step Solution
- Step 1: Write the proportion equation
97,521,531.96 : 134,560,763.28 = 57,821,729.34 : x - Step 2: Convert to fraction form
97,521,531.96/134,560,763.28 = 57,821,729.34/x - Step 3: Cross multiply
97,521,531.96x = 134,560,763.28 × 57,821,729.34 - Step 4: Simplify right side
97,521,531.96x = 7,780,536,034,159,971 - Step 5: Solve for x
x = 7,780,536,034,159,971/97,521,531.96 - Step 6: Final answer
x = 79,782,750.31
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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.