Finding the Fourth Proportional to 168,430,662.29, 232,337,295.47 and 101,402,961.41
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Solution
The fourth proportional to 168,430,662.29, 232,337,295.47 and 101,402,961.41 is: 139,877,677.18
Step by Step Solution
- Step 1: Write the proportion equation
168,430,662.29 : 232,337,295.47 = 101,402,961.41 : x - Step 2: Convert to fraction form
168,430,662.29/232,337,295.47 = 101,402,961.41/x - Step 3: Cross multiply
168,430,662.29x = 232,337,295.47 × 101,402,961.41 - Step 4: Simplify right side
168,430,662.29x = 23,559,689,807,484,556 - Step 5: Solve for x
x = 23,559,689,807,484,556/168,430,662.29 - Step 6: Final answer
x = 139,877,677.18
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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.