Finding the Fourth Proportional to 57,221,496.36, 79,173,600.62 and 49,894,597.60
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Solution
The fourth proportional to 57,221,496.36, 79,173,600.62 and 49,894,597.60 is: 69,035,855.31
Step by Step Solution
- Step 1: Write the proportion equation
57,221,496.36 : 79,173,600.62 = 49,894,597.60 : x - Step 2: Convert to fraction form
57,221,496.36/79,173,600.62 = 49,894,597.60/x - Step 3: Cross multiply
57,221,496.36x = 79,173,600.62 × 49,894,597.60 - Step 4: Simplify right side
57,221,496.36x = 3,950,334,943,478,011 - Step 5: Solve for x
x = 3,950,334,943,478,011/57,221,496.36 - Step 6: Final answer
x = 69,035,855.31
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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.