Finding the Fourth Proportional to 85,849,185.46, 128,774,575.30 and 24,438,342.02
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Solution
The fourth proportional to 85,849,185.46, 128,774,575.30 and 24,438,342.02 is: 36,657,739.94
Step by Step Solution
- Step 1: Write the proportion equation
85,849,185.46 : 128,774,575.30 = 24,438,342.02 : x - Step 2: Convert to fraction form
85,849,185.46/128,774,575.30 = 24,438,342.02/x - Step 3: Cross multiply
85,849,185.46x = 128,774,575.30 × 24,438,342.02 - Step 4: Simplify right side
85,849,185.46x = 3,147,037,114,661,644 - Step 5: Solve for x
x = 3,147,037,114,661,644/85,849,185.46 - Step 6: Final answer
x = 36,657,739.94
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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.