Finding the Fourth Proportional to 106,672,511.12, 147,207,281.64 and 60,261,921.68
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Solution
The fourth proportional to 106,672,511.12, 147,207,281.64 and 60,261,921.68 is: 83,161,009.18
Step by Step Solution
- Step 1: Write the proportion equation
106,672,511.12 : 147,207,281.64 = 60,261,921.68 : x - Step 2: Convert to fraction form
106,672,511.12/147,207,281.64 = 60,261,921.68/x - Step 3: Cross multiply
106,672,511.12x = 147,207,281.64 × 60,261,921.68 - Step 4: Simplify right side
106,672,511.12x = 8,870,993,676,915,381 - Step 5: Solve for x
x = 8,870,993,676,915,381/106,672,511.12 - Step 6: Final answer
x = 83,161,009.18
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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.