Finding the Fourth Proportional to 232,457,624.70, 320,791,511.07 and 128,035,699.26
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Solution
The fourth proportional to 232,457,624.70, 320,791,511.07 and 128,035,699.26 is: 176,689,258.91
Step by Step Solution
- Step 1: Write the proportion equation
232,457,624.70 : 320,791,511.07 = 128,035,699.26 : x - Step 2: Convert to fraction form
232,457,624.70/320,791,511.07 = 128,035,699.26/x - Step 3: Cross multiply
232,457,624.70x = 320,791,511.07 × 128,035,699.26 - Step 4: Simplify right side
232,457,624.70x = 41,072,765,436,519,480 - Step 5: Solve for x
x = 41,072,765,436,519,480/232,457,624.70 - Step 6: Final answer
x = 176,689,258.91
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1.5x scale
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.