Finding the Fourth Proportional to 119,164,363.81, 164,460,599.64 and 69,617,122.88
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Solution
The fourth proportional to 119,164,363.81, 164,460,599.64 and 69,617,122.88 is: 96,079,678.58
Step by Step Solution
- Step 1: Write the proportion equation
119,164,363.81 : 164,460,599.64 = 69,617,122.88 : x - Step 2: Convert to fraction form
119,164,363.81/164,460,599.64 = 69,617,122.88/x - Step 3: Cross multiply
119,164,363.81x = 164,460,599.64 × 69,617,122.88 - Step 4: Simplify right side
119,164,363.81x = 11,449,273,773,234,060 - Step 5: Solve for x
x = 11,449,273,773,234,060/119,164,363.81 - Step 6: Final answer
x = 96,079,678.58
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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.