Finding the Fourth Proportional to 65,164,828.80, 97,747,243.20 and 19,726,623.30
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Solution
The fourth proportional to 65,164,828.80, 97,747,243.20 and 19,726,623.30 is: 29,589,934.95
Step by Step Solution
- Step 1: Write the proportion equation
65,164,828.80 : 97,747,243.20 = 19,726,623.30 : x - Step 2: Convert to fraction form
65,164,828.80/97,747,243.20 = 19,726,623.30/x - Step 3: Cross multiply
65,164,828.80x = 97,747,243.20 × 19,726,623.30 - Step 4: Simplify right side
65,164,828.80x = 1,928,223,045,219,886.75 - Step 5: Solve for x
x = 1,928,223,045,219,886.75/65,164,828.80 - Step 6: Final answer
x = 29,589,934.95
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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.