Finding the Fourth Proportional to 154,073,894.26, 212,599,277.40 and 93,692,086.91
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Solution
The fourth proportional to 154,073,894.26, 212,599,277.40 and 93,692,086.91 is: 129,281,278.12
Step by Step Solution
- Step 1: Write the proportion equation
154,073,894.26 : 212,599,277.40 = 93,692,086.91 : x - Step 2: Convert to fraction form
154,073,894.26/212,599,277.40 = 93,692,086.91/x - Step 3: Cross multiply
154,073,894.26x = 212,599,277.40 × 93,692,086.91 - Step 4: Simplify right side
154,073,894.26x = 19,918,869,975,164,000 - Step 5: Solve for x
x = 19,918,869,975,164,000/154,073,894.26 - Step 6: Final answer
x = 129,281,278.12
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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.