Finding the Fourth Proportional to 124,468,220.70, 186,702,331.05 and 67,072,592.70
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Solution
The fourth proportional to 124,468,220.70, 186,702,331.05 and 67,072,592.70 is: 100,608,889.05
Step by Step Solution
- Step 1: Write the proportion equation
124,468,220.70 : 186,702,331.05 = 67,072,592.70 : x - Step 2: Convert to fraction form
124,468,220.70/186,702,331.05 = 67,072,592.70/x - Step 3: Cross multiply
124,468,220.70x = 186,702,331.05 × 67,072,592.70 - Step 4: Simplify right side
124,468,220.70x = 12,522,609,406,657,214 - Step 5: Solve for x
x = 12,522,609,406,657,214/124,468,220.70 - Step 6: Final answer
x = 100,608,889.05
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1.5x scale
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.