Finding the Fourth Proportional to 323,353,316.30, 485,029,974.45 and 93,329,905.10
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Solution
The fourth proportional to 323,353,316.30, 485,029,974.45 and 93,329,905.10 is: 139,994,857.65
Step by Step Solution
- Step 1: Write the proportion equation
323,353,316.30 : 485,029,974.45 = 93,329,905.10 : x - Step 2: Convert to fraction form
323,353,316.30/485,029,974.45 = 93,329,905.10/x - Step 3: Cross multiply
323,353,316.30x = 485,029,974.45 × 93,329,905.10 - Step 4: Simplify right side
323,353,316.30x = 45,267,801,486,073,920 - Step 5: Solve for x
x = 45,267,801,486,073,920/323,353,316.30 - Step 6: Final answer
x = 139,994,857.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.