Finding the Fourth Proportional to 97,806,821.80, 146,710,232.70 and 52,457,189.80
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Solution
The fourth proportional to 97,806,821.80, 146,710,232.70 and 52,457,189.80 is: 78,685,784.70
Step by Step Solution
- Step 1: Write the proportion equation
97,806,821.80 : 146,710,232.70 = 52,457,189.80 : x - Step 2: Convert to fraction form
97,806,821.80/146,710,232.70 = 52,457,189.80/x - Step 3: Cross multiply
97,806,821.80x = 146,710,232.70 × 52,457,189.80 - Step 4: Simplify right side
97,806,821.80x = 7,696,006,522,346,065 - Step 5: Solve for x
x = 7,696,006,522,346,065/97,806,821.80 - Step 6: Final answer
x = 78,685,784.70
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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.