Finding the Fourth Proportional to 147,526,279.79, 221,286,381.45 and 49,165,128.17
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Solution
The fourth proportional to 147,526,279.79, 221,286,381.45 and 49,165,128.17 is: 73,746,679.72
Step by Step Solution
- Step 1: Write the proportion equation
147,526,279.79 : 221,286,381.45 = 49,165,128.17 : x - Step 2: Convert to fraction form
147,526,279.79/221,286,381.45 = 49,165,128.17/x - Step 3: Cross multiply
147,526,279.79x = 221,286,381.45 × 49,165,128.17 - Step 4: Simplify right side
147,526,279.79x = 10,879,573,305,158,328 - Step 5: Solve for x
x = 10,879,573,305,158,328/147,526,279.79 - Step 6: Final answer
x = 73,746,679.72
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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.