Finding the Fourth Proportional to 157,771,391.08, 217,725,613.62 and 88,159,705.96
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Solution
The fourth proportional to 157,771,391.08, 217,725,613.62 and 88,159,705.96 is: 121,661,005.49
Step by Step Solution
- Step 1: Write the proportion equation
157,771,391.08 : 217,725,613.62 = 88,159,705.96 : x - Step 2: Convert to fraction form
157,771,391.08/217,725,613.62 = 88,159,705.96/x - Step 3: Cross multiply
157,771,391.08x = 217,725,613.62 × 88,159,705.96 - Step 4: Simplify right side
157,771,391.08x = 19,194,626,076,699,772 - Step 5: Solve for x
x = 19,194,626,076,699,772/157,771,391.08 - Step 6: Final answer
x = 121,661,005.49
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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.