Finding the Fourth Proportional to 61,695,005.94, 85,089,464.84 and 54,236,721.53
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Solution
The fourth proportional to 61,695,005.94, 85,089,464.84 and 54,236,721.53 is: 74,803,033.72
Step by Step Solution
- Step 1: Write the proportion equation
61,695,005.94 : 85,089,464.84 = 54,236,721.53 : x - Step 2: Convert to fraction form
61,695,005.94/85,089,464.84 = 54,236,721.53/x - Step 3: Cross multiply
61,695,005.94x = 85,089,464.84 × 54,236,721.53 - Step 4: Simplify right side
61,695,005.94x = 4,614,973,609,663,806 - Step 5: Solve for x
x = 4,614,973,609,663,806/61,695,005.94 - Step 6: Final answer
x = 74,803,033.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.