Finding the Fourth Proportional to 195,266,990.36, 269,450,635.98 and 115,868,369.68
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Solution
The fourth proportional to 195,266,990.36, 269,450,635.98 and 115,868,369.68 is: 159,887,781.55
Step by Step Solution
- Step 1: Write the proportion equation
195,266,990.36 : 269,450,635.98 = 115,868,369.68 : x - Step 2: Convert to fraction form
195,266,990.36/269,450,635.98 = 115,868,369.68/x - Step 3: Cross multiply
195,266,990.36x = 269,450,635.98 × 115,868,369.68 - Step 4: Simplify right side
195,266,990.36x = 31,220,805,898,894,496 - Step 5: Solve for x
x = 31,220,805,898,894,496/195,266,990.36 - Step 6: Final answer
x = 159,887,781.55
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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.