Finding the Fourth Proportional to 65,160,816.80, 97,752,284.40 and 19,722,250.40
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Solution
The fourth proportional to 65,160,816.80, 97,752,284.40 and 19,722,250.40 is: 29,586,722.89
Step by Step Solution
- Step 1: Write the proportion equation
65,160,816.80 : 97,752,284.40 = 19,722,250.40 : x - Step 2: Convert to fraction form
65,160,816.80/97,752,284.40 = 19,722,250.40/x - Step 3: Cross multiply
65,160,816.80x = 97,752,284.40 × 19,722,250.40 - Step 4: Simplify right side
65,160,816.80x = 1,927,895,030,108,813.75 - Step 5: Solve for x
x = 1,927,895,030,108,813.75/65,160,816.80 - Step 6: Final answer
x = 29,586,722.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.