Finding the Fourth Proportional to 115,508,644.72, 173,173,038.72 and 57,176,075.68
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Solution
The fourth proportional to 115,508,644.72, 173,173,038.72 and 57,176,075.68 is: 85,719,599.53
Step by Step Solution
- Step 1: Write the proportion equation
115,508,644.72 : 173,173,038.72 = 57,176,075.68 : x - Step 2: Convert to fraction form
115,508,644.72/173,173,038.72 = 57,176,075.68/x - Step 3: Cross multiply
115,508,644.72x = 173,173,038.72 × 57,176,075.68 - Step 4: Simplify right side
115,508,644.72x = 9,901,354,767,590,290 - Step 5: Solve for x
x = 9,901,354,767,590,290/115,508,644.72 - Step 6: Final answer
x = 85,719,599.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.