Finding the Fourth Proportional to 114,574,310,426.12, 158,105,424,244.80 and 63,129,991,387.18
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Solution
The fourth proportional to 114,574,310,426.12, 158,105,424,244.80 and 63,129,991,387.18 is: 87,115,462,739.59
Step by Step Solution
- Step 1: Write the proportion equation
114,574,310,426.12 : 158,105,424,244.80 = 63,129,991,387.18 : x - Step 2: Convert to fraction form
114,574,310,426.12/158,105,424,244.80 = 63,129,991,387.18/x - Step 3: Cross multiply
114,574,310,426.12x = 158,105,424,244.80 × 63,129,991,387.18 - Step 4: Simplify right side
114,574,310,426.12x = 9,981,194,070,840,978,702,336 - Step 5: Solve for x
x = 9,981,194,070,840,978,702,336/114,574,310,426.12 - Step 6: Final answer
x = 87,115,462,739.59
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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.