Finding the Fourth Proportional to 135,431,713.05, 186,896,862.32 and 73,552,494.48
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Solution
The fourth proportional to 135,431,713.05, 186,896,862.32 and 73,552,494.48 is: 101,503,038.87
Step by Step Solution
- Step 1: Write the proportion equation
135,431,713.05 : 186,896,862.32 = 73,552,494.48 : x - Step 2: Convert to fraction form
135,431,713.05/186,896,862.32 = 73,552,494.48/x - Step 3: Cross multiply
135,431,713.05x = 186,896,862.32 × 73,552,494.48 - Step 4: Simplify right side
135,431,713.05x = 13,746,730,433,753,358 - Step 5: Solve for x
x = 13,746,730,433,753,358/135,431,713.05 - Step 6: Final answer
x = 101,503,038.87
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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.