Finding the Fourth Proportional to 105,169,395.12, 157,757,306.49 and 36,081,229.54
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Solution
The fourth proportional to 105,169,395.12, 157,757,306.49 and 36,081,229.54 is: 54,122,946.90
Step by Step Solution
- Step 1: Write the proportion equation
105,169,395.12 : 157,757,306.49 = 36,081,229.54 : x - Step 2: Convert to fraction form
105,169,395.12/157,757,306.49 = 36,081,229.54/x - Step 3: Cross multiply
105,169,395.12x = 157,757,306.49 × 36,081,229.54 - Step 4: Simplify right side
105,169,395.12x = 5,692,077,587,073,821 - Step 5: Solve for x
x = 5,692,077,587,073,821/105,169,395.12 - Step 6: Final answer
x = 54,122,946.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.