Finding the Fourth Proportional to 74,010,282.67, 102,134,997.53 and 40,971,083.05
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Solution
The fourth proportional to 74,010,282.67, 102,134,997.53 and 40,971,083.05 is: 56,540,541.60
Step by Step Solution
- Step 1: Write the proportion equation
74,010,282.67 : 102,134,997.53 = 40,971,083.05 : x - Step 2: Convert to fraction form
74,010,282.67/102,134,997.53 = 40,971,083.05/x - Step 3: Cross multiply
74,010,282.67x = 102,134,997.53 × 40,971,083.05 - Step 4: Simplify right side
74,010,282.67x = 4,184,581,466,113,174.50 - Step 5: Solve for x
x = 4,184,581,466,113,174.50/74,010,282.67 - Step 6: Final answer
x = 56,540,541.60
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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.