Finding the Fourth Proportional to 153,924,363.62, 212,418,381.86 and 84,305,260.48
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Solution
The fourth proportional to 153,924,363.62, 212,418,381.86 and 84,305,260.48 is: 116,342,771.16
Step by Step Solution
- Step 1: Write the proportion equation
153,924,363.62 : 212,418,381.86 = 84,305,260.48 : x - Step 2: Convert to fraction form
153,924,363.62/212,418,381.86 = 84,305,260.48/x - Step 3: Cross multiply
153,924,363.62x = 212,418,381.86 × 84,305,260.48 - Step 4: Simplify right side
153,924,363.62x = 17,907,987,012,596,078 - Step 5: Solve for x
x = 17,907,987,012,596,078/153,924,363.62 - Step 6: Final answer
x = 116,342,771.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.