Finding the Fourth Proportional to 115,912,329.70, 173,868,494.55 and 115,912,329.70
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Solution
The fourth proportional to 115,912,329.70, 173,868,494.55 and 115,912,329.70 is: 173,868,494.55
Step by Step Solution
- Step 1: Write the proportion equation
115,912,329.70 : 173,868,494.55 = 115,912,329.70 : x - Step 2: Convert to fraction form
115,912,329.70/173,868,494.55 = 115,912,329.70/x - Step 3: Cross multiply
115,912,329.70x = 173,868,494.55 × 115,912,329.70 - Step 4: Simplify right side
115,912,329.70x = 20,153,502,264,722,256 - Step 5: Solve for x
x = 20,153,502,264,722,256/115,912,329.70 - Step 6: Final answer
x = 173,868,494.55
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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.