Finding the Fourth Proportional to 115,685,447.04, 159,640,527.68 and 63,473,304.96
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Solution
The fourth proportional to 115,685,447.04, 159,640,527.68 and 63,473,304.96 is: 87,590,203.93
Step by Step Solution
- Step 1: Write the proportion equation
115,685,447.04 : 159,640,527.68 = 63,473,304.96 : x - Step 2: Convert to fraction form
115,685,447.04/159,640,527.68 = 63,473,304.96/x - Step 3: Cross multiply
115,685,447.04x = 159,640,527.68 × 63,473,304.96 - Step 4: Simplify right side
115,685,447.04x = 10,132,911,897,407,962 - Step 5: Solve for x
x = 10,132,911,897,407,962/115,685,447.04 - Step 6: Final answer
x = 87,590,203.93
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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.