Finding the Fourth Proportional to 97,404,881.38, 134,417,075.67 and 52,750,491.05
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Solution
The fourth proportional to 97,404,881.38, 134,417,075.67 and 52,750,491.05 is: 72,794,778.32
Step by Step Solution
- Step 1: Write the proportion equation
97,404,881.38 : 134,417,075.67 = 52,750,491.05 : x - Step 2: Convert to fraction form
97,404,881.38/134,417,075.67 = 52,750,491.05/x - Step 3: Cross multiply
97,404,881.38x = 134,417,075.67 × 52,750,491.05 - Step 4: Simplify right side
97,404,881.38x = 7,090,566,747,433,550 - Step 5: Solve for x
x = 7,090,566,747,433,550/97,404,881.38 - Step 6: Final answer
x = 72,794,778.32
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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.