Finding the Fourth Proportional to 211,261,878.99, 316,895,027.36 and 57,907,951.83
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Solution
The fourth proportional to 211,261,878.99, 316,895,027.36 and 57,907,951.83 is: 86,862,533.21
Step by Step Solution
- Step 1: Write the proportion equation
211,261,878.99 : 316,895,027.36 = 57,907,951.83 : x - Step 2: Convert to fraction form
211,261,878.99/316,895,027.36 = 57,907,951.83/x - Step 3: Cross multiply
211,261,878.99x = 316,895,027.36 × 57,907,951.83 - Step 4: Simplify right side
211,261,878.99x = 18,350,741,979,239,872 - Step 5: Solve for x
x = 18,350,741,979,239,872/211,261,878.99 - Step 6: Final answer
x = 86,862,533.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.