Finding the Fourth Proportional to 94,480,071.40, 141,720,107.10 and 71,637,293.80
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Solution
The fourth proportional to 94,480,071.40, 141,720,107.10 and 71,637,293.80 is: 107,455,940.70
Step by Step Solution
- Step 1: Write the proportion equation
94,480,071.40 : 141,720,107.10 = 71,637,293.80 : x - Step 2: Convert to fraction form
94,480,071.40/141,720,107.10 = 71,637,293.80/x - Step 3: Cross multiply
94,480,071.40x = 141,720,107.10 × 71,637,293.80 - Step 4: Simplify right side
94,480,071.40x = 10,152,444,949,690,166 - Step 5: Solve for x
x = 10,152,444,949,690,166/94,480,071.40 - Step 6: Final answer
x = 107,455,940.70
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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.