Finding the Fourth Proportional to 91,666,972.62, 126,478,279.30 and 58,164,236.26
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Solution
The fourth proportional to 91,666,972.62, 126,478,279.30 and 58,164,236.26 is: 80,252,595.99
Step by Step Solution
- Step 1: Write the proportion equation
91,666,972.62 : 126,478,279.30 = 58,164,236.26 : x - Step 2: Convert to fraction form
91,666,972.62/126,478,279.30 = 58,164,236.26/x - Step 3: Cross multiply
91,666,972.62x = 126,478,279.30 × 58,164,236.26 - Step 4: Simplify right side
91,666,972.62x = 7,356,512,518,963,467 - Step 5: Solve for x
x = 7,356,512,518,963,467/91,666,972.62 - Step 6: Final answer
x = 80,252,595.99
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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.