Finding the Fourth Proportional to 97,345,581.72, 134,336,692.53 and 53,292,223.50
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Solution
The fourth proportional to 97,345,581.72, 134,336,692.53 and 53,292,223.50 is: 73,543,153.33
Step by Step Solution
- Step 1: Write the proportion equation
97,345,581.72 : 134,336,692.53 = 53,292,223.50 : x - Step 2: Convert to fraction form
97,345,581.72/134,336,692.53 = 53,292,223.50/x - Step 3: Cross multiply
97,345,581.72x = 134,336,692.53 × 53,292,223.50 - Step 4: Simplify right side
97,345,581.72x = 7,159,101,042,559,541 - Step 5: Solve for x
x = 7,159,101,042,559,541/97,345,581.72 - Step 6: Final answer
x = 73,543,153.33
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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.