Finding the Fourth Proportional to 61,134,443.20, 91,701,664.80 and 40,727,108.80
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Solution
The fourth proportional to 61,134,443.20, 91,701,664.80 and 40,727,108.80 is: 61,090,663.20
Step by Step Solution
- Step 1: Write the proportion equation
61,134,443.20 : 91,701,664.80 = 40,727,108.80 : x - Step 2: Convert to fraction form
61,134,443.20/91,701,664.80 = 40,727,108.80/x - Step 3: Cross multiply
61,134,443.20x = 91,701,664.80 × 40,727,108.80 - Step 4: Simplify right side
61,134,443.20x = 3,734,743,679,450,730 - Step 5: Solve for x
x = 3,734,743,679,450,730/61,134,443.20 - Step 6: Final answer
x = 61,090,663.20
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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.