Finding the Fourth Proportional to 128,654,141.16, 192,823,107.98 and 59,473,366.04
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Solution
The fourth proportional to 128,654,141.16, 192,823,107.98 and 59,473,366.04 is: 89,136,961.92
Step by Step Solution
- Step 1: Write the proportion equation
128,654,141.16 : 192,823,107.98 = 59,473,366.04 : x - Step 2: Convert to fraction form
128,654,141.16/192,823,107.98 = 59,473,366.04/x - Step 3: Cross multiply
128,654,141.16x = 192,823,107.98 × 59,473,366.04 - Step 4: Simplify right side
128,654,141.16x = 11,467,839,281,864,984 - Step 5: Solve for x
x = 11,467,839,281,864,984/128,654,141.16 - Step 6: Final answer
x = 89,136,961.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.