Finding the Fourth Proportional to 145,852,330.68, 201,253,852.80 and 83,960,706.96
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Solution
The fourth proportional to 145,852,330.68, 201,253,852.80 and 83,960,706.96 is: 115,852,901.91
Step by Step Solution
- Step 1: Write the proportion equation
145,852,330.68 : 201,253,852.80 = 83,960,706.96 : x - Step 2: Convert to fraction form
145,852,330.68/201,253,852.80 = 83,960,706.96/x - Step 3: Cross multiply
145,852,330.68x = 201,253,852.80 × 83,960,706.96 - Step 4: Simplify right side
145,852,330.68x = 16,897,415,759,511,776 - Step 5: Solve for x
x = 16,897,415,759,511,776/145,852,330.68 - Step 6: Final answer
x = 115,852,901.91
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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.