Finding the Fourth Proportional to 53,753,408.27, 74,177,566.80 and 31,734,000.79
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Solution
The fourth proportional to 53,753,408.27, 74,177,566.80 and 31,734,000.79 is: 43,791,659.71
Step by Step Solution
- Step 1: Write the proportion equation
53,753,408.27 : 74,177,566.80 = 31,734,000.79 : x - Step 2: Convert to fraction form
53,753,408.27/74,177,566.80 = 31,734,000.79/x - Step 3: Cross multiply
53,753,408.27x = 74,177,566.80 × 31,734,000.79 - Step 4: Simplify right side
53,753,408.27x = 2,353,950,963,431,477.50 - Step 5: Solve for x
x = 2,353,950,963,431,477.50/53,753,408.27 - Step 6: Final answer
x = 43,791,659.71
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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.