Finding the Fourth Proportional to 193,293,577.23, 266,744,127.68 and 105,188,205.49
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Solution
The fourth proportional to 193,293,577.23, 266,744,127.68 and 105,188,205.49 is: 145,159,174.54
Step by Step Solution
- Step 1: Write the proportion equation
193,293,577.23 : 266,744,127.68 = 105,188,205.49 : x - Step 2: Convert to fraction form
193,293,577.23/266,744,127.68 = 105,188,205.49/x - Step 3: Cross multiply
193,293,577.23x = 266,744,127.68 × 105,188,205.49 - Step 4: Simplify right side
193,293,577.23x = 28,058,336,114,856,292 - Step 5: Solve for x
x = 28,058,336,114,856,292/193,293,577.23 - Step 6: Final answer
x = 145,159,174.54
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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.