Finding the Fourth Proportional to 211,266,116.12, 316,895,391.36 and 86,741,705.48
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Solution
The fourth proportional to 211,266,116.12, 316,895,391.36 and 86,741,705.48 is: 130,111,005.07
Step by Step Solution
- Step 1: Write the proportion equation
211,266,116.12 : 316,895,391.36 = 86,741,705.48 : x - Step 2: Convert to fraction form
211,266,116.12/316,895,391.36 = 86,741,705.48/x - Step 3: Cross multiply
211,266,116.12x = 316,895,391.36 × 86,741,705.48 - Step 4: Simplify right side
211,266,116.12x = 27,488,046,705,318,460 - Step 5: Solve for x
x = 27,488,046,705,318,460/211,266,116.12 - Step 6: Final answer
x = 130,111,005.07
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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.