Finding the Fourth Proportional to 97,804,994.40, 146,707,491.60 and 69,107,180.40
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Solution
The fourth proportional to 97,804,994.40, 146,707,491.60 and 69,107,180.40 is: 103,660,770.60
Step by Step Solution
- Step 1: Write the proportion equation
97,804,994.40 : 146,707,491.60 = 69,107,180.40 : x - Step 2: Convert to fraction form
97,804,994.40/146,707,491.60 = 69,107,180.40/x - Step 3: Cross multiply
97,804,994.40x = 146,707,491.60 × 69,107,180.40 - Step 4: Simplify right side
97,804,994.40x = 10,138,541,088,032,686 - Step 5: Solve for x
x = 10,138,541,088,032,686/97,804,994.40 - Step 6: Final answer
x = 103,660,770.60
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1.5x scale
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.