Finding the Fourth Proportional to 189,567,552.84, 261,603,578.70 and 105,935,684.04
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Solution
The fourth proportional to 189,567,552.84, 261,603,578.70 and 105,935,684.04 is: 146,191,442.80
Step by Step Solution
- Step 1: Write the proportion equation
189,567,552.84 : 261,603,578.70 = 105,935,684.04 : x - Step 2: Convert to fraction form
189,567,552.84/261,603,578.70 = 105,935,684.04/x - Step 3: Cross multiply
189,567,552.84x = 261,603,578.70 × 105,935,684.04 - Step 4: Simplify right side
189,567,552.84x = 27,713,154,056,896,476 - Step 5: Solve for x
x = 27,713,154,056,896,476/189,567,552.84 - Step 6: Final answer
x = 146,191,442.80
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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.