Finding the Fourth Proportional to 57,843,636.84, 79,751,589.18 and 42,346,817.40
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Solution
The fourth proportional to 57,843,636.84, 79,751,589.18 and 42,346,817.40 is: 58,385,436.48
Step by Step Solution
- Step 1: Write the proportion equation
57,843,636.84 : 79,751,589.18 = 42,346,817.40 : x - Step 2: Convert to fraction form
57,843,636.84/79,751,589.18 = 42,346,817.40/x - Step 3: Cross multiply
57,843,636.84x = 79,751,589.18 × 42,346,817.40 - Step 4: Simplify right side
57,843,636.84x = 3,377,225,984,365,276 - Step 5: Solve for x
x = 3,377,225,984,365,276/57,843,636.84 - Step 6: Final answer
x = 58,385,436.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.