Finding the Fourth Proportional to 97,805,219.40, 146,707,829.10 and 69,107,405.40
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Solution
The fourth proportional to 97,805,219.40, 146,707,829.10 and 69,107,405.40 is: 103,661,108.10
Step by Step Solution
- Step 1: Write the proportion equation
97,805,219.40 : 146,707,829.10 = 69,107,405.40 : x - Step 2: Convert to fraction form
97,805,219.40/146,707,829.10 = 69,107,405.40/x - Step 3: Cross multiply
97,805,219.40x = 146,707,829.10 × 69,107,405.40 - Step 4: Simplify right side
97,805,219.40x = 10,138,597,420,967,618 - Step 5: Solve for x
x = 10,138,597,420,967,618/97,805,219.40 - Step 6: Final answer
x = 103,661,108.10
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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.