Finding the Fourth Proportional to 193,087,252.80, 289,966,802.40 and 102,387,988.80
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Solution
The fourth proportional to 193,087,252.80, 289,966,802.40 and 102,387,988.80 is: 153,760,112.52
Step by Step Solution
- Step 1: Write the proportion equation
193,087,252.80 : 289,966,802.40 = 102,387,988.80 : x - Step 2: Convert to fraction form
193,087,252.80/289,966,802.40 = 102,387,988.80/x - Step 3: Cross multiply
193,087,252.80x = 289,966,802.40 × 102,387,988.80 - Step 4: Simplify right side
193,087,252.80x = 29,689,117,716,503,008 - Step 5: Solve for x
x = 29,689,117,716,503,008/193,087,252.80 - Step 6: Final answer
x = 153,760,112.52
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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.