Finding the Fourth Proportional to 141,528,486.24, 195,308,910.42 and 79,648,822.98
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Solution
The fourth proportional to 141,528,486.24, 195,308,910.42 and 79,648,822.98 is: 109,915,150.27
Step by Step Solution
- Step 1: Write the proportion equation
141,528,486.24 : 195,308,910.42 = 79,648,822.98 : x - Step 2: Convert to fraction form
141,528,486.24/195,308,910.42 = 79,648,822.98/x - Step 3: Cross multiply
141,528,486.24x = 195,308,910.42 × 79,648,822.98 - Step 4: Simplify right side
141,528,486.24x = 15,556,124,832,459,258 - Step 5: Solve for x
x = 15,556,124,832,459,258/141,528,486.24 - Step 6: Final answer
x = 109,915,150.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.