Finding the Fourth Proportional to 79,921,860.34, 110,292,165.93 and 43,252,431.34
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Solution
The fourth proportional to 79,921,860.34, 110,292,165.93 and 43,252,431.34 is: 59,688,354.52
Step by Step Solution
- Step 1: Write the proportion equation
79,921,860.34 : 110,292,165.93 = 43,252,431.34 : x - Step 2: Convert to fraction form
79,921,860.34/110,292,165.93 = 43,252,431.34/x - Step 3: Cross multiply
79,921,860.34x = 110,292,165.93 × 43,252,431.34 - Step 4: Simplify right side
79,921,860.34x = 4,770,404,334,227,213 - Step 5: Solve for x
x = 4,770,404,334,227,213/79,921,860.34 - Step 6: Final answer
x = 59,688,354.52
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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.