Finding the Fourth Proportional to 232,457,629.20, 320,791,517.28 and 128,035,703.76
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Solution
The fourth proportional to 232,457,629.20, 320,791,517.28 and 128,035,703.76 is: 176,689,265.12
Step by Step Solution
- Step 1: Write the proportion equation
232,457,629.20 : 320,791,517.28 = 128,035,703.76 : x - Step 2: Convert to fraction form
232,457,629.20/320,791,517.28 = 128,035,703.76/x - Step 3: Cross multiply
232,457,629.20x = 320,791,517.28 × 128,035,703.76 - Step 4: Simplify right side
232,457,629.20x = 41,072,767,675,183,000 - Step 5: Solve for x
x = 41,072,767,675,183,000/232,457,629.20 - Step 6: Final answer
x = 176,689,265.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.