Finding the Fourth Proportional to 57,433,405.94, 79,258,346.62 and 31,328,492.66
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Solution
The fourth proportional to 57,433,405.94, 79,258,346.62 and 31,328,492.66 is: 43,233,454.29
Step by Step Solution
- Step 1: Write the proportion equation
57,433,405.94 : 79,258,346.62 = 31,328,492.66 : x - Step 2: Convert to fraction form
57,433,405.94/79,258,346.62 = 31,328,492.66/x - Step 3: Cross multiply
57,433,405.94x = 79,258,346.62 × 31,328,492.66 - Step 4: Simplify right side
57,433,405.94x = 2,483,044,530,328,406 - Step 5: Solve for x
x = 2,483,044,530,328,406/57,433,405.94 - Step 6: Final answer
x = 43,233,454.29
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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.