Finding the Fourth Proportional to 97,159,316.16, 134,076,191.76 and 53,105,943.36
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Solution
The fourth proportional to 97,159,316.16, 134,076,191.76 and 53,105,943.36 is: 73,284,198.85
Step by Step Solution
- Step 1: Write the proportion equation
97,159,316.16 : 134,076,191.76 = 53,105,943.36 : x - Step 2: Convert to fraction form
97,159,316.16/134,076,191.76 = 53,105,943.36/x - Step 3: Cross multiply
97,159,316.16x = 134,076,191.76 × 53,105,943.36 - Step 4: Simplify right side
97,159,316.16x = 7,120,242,645,531,059 - Step 5: Solve for x
x = 7,120,242,645,531,059/97,159,316.16 - Step 6: Final answer
x = 73,284,198.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.