Finding the Fourth Proportional to 107,506,486.66, 148,371,546.74 and 61,103,715.74
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Solution
The fourth proportional to 107,506,486.66, 148,371,546.74 and 61,103,715.74 is: 84,330,286.46
Step by Step Solution
- Step 1: Write the proportion equation
107,506,486.66 : 148,371,546.74 = 61,103,715.74 : x - Step 2: Convert to fraction form
107,506,486.66/148,371,546.74 = 61,103,715.74/x - Step 3: Cross multiply
107,506,486.66x = 148,371,546.74 × 61,103,715.74 - Step 4: Simplify right side
107,506,486.66x = 9,066,052,815,905,084 - Step 5: Solve for x
x = 9,066,052,815,905,084/107,506,486.66 - Step 6: Final answer
x = 84,330,286.46
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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.