Finding the Fourth Proportional to 107,631,308.86, 161,468,209.98 and 39,474,591.10
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Solution
The fourth proportional to 107,631,308.86, 161,468,209.98 and 39,474,591.10 is: 59,219,679.03
Step by Step Solution
- Step 1: Write the proportion equation
107,631,308.86 : 161,468,209.98 = 39,474,591.10 : x - Step 2: Convert to fraction form
107,631,308.86/161,468,209.98 = 39,474,591.10/x - Step 3: Cross multiply
107,631,308.86x = 161,468,209.98 × 39,474,591.10 - Step 4: Simplify right side
107,631,308.86x = 6,373,891,564,609,439 - Step 5: Solve for x
x = 6,373,891,564,609,439/107,631,308.86 - Step 6: Final answer
x = 59,219,679.03
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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.