Finding the Fourth Proportional to 75,593,487.60, 113,390,231.40 and 60,476,943.60
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Solution
The fourth proportional to 75,593,487.60, 113,390,231.40 and 60,476,943.60 is: 90,715,415.40
Step by Step Solution
- Step 1: Write the proportion equation
75,593,487.60 : 113,390,231.40 = 60,476,943.60 : x - Step 2: Convert to fraction form
75,593,487.60/113,390,231.40 = 60,476,943.60/x - Step 3: Cross multiply
75,593,487.60x = 113,390,231.40 × 60,476,943.60 - Step 4: Simplify right side
75,593,487.60x = 6,857,494,629,168,750 - Step 5: Solve for x
x = 6,857,494,629,168,750/75,593,487.60 - Step 6: Final answer
x = 90,715,415.40
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Double scale
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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.