Finding the Fourth Proportional to 97,806,839.80, 146,710,259.70 and 52,457,207.80
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Solution
The fourth proportional to 97,806,839.80, 146,710,259.70 and 52,457,207.80 is: 78,685,811.70
Step by Step Solution
- Step 1: Write the proportion equation
97,806,839.80 : 146,710,259.70 = 52,457,207.80 : x - Step 2: Convert to fraction form
97,806,839.80/146,710,259.70 = 52,457,207.80/x - Step 3: Cross multiply
97,806,839.80x = 146,710,259.70 × 52,457,207.80 - Step 4: Simplify right side
97,806,839.80x = 7,696,010,579,474,865 - Step 5: Solve for x
x = 7,696,010,579,474,865/97,806,839.80 - Step 6: Final answer
x = 78,685,811.70
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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.