Finding the Fourth Proportional to 166,638,477.24, 249,997,606.74 and 69,540,167.88
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Solution
The fourth proportional to 166,638,477.24, 249,997,606.74 and 69,540,167.88 is: 104,326,898.75
Step by Step Solution
- Step 1: Write the proportion equation
166,638,477.24 : 249,997,606.74 = 69,540,167.88 : x - Step 2: Convert to fraction form
166,638,477.24/249,997,606.74 = 69,540,167.88/x - Step 3: Cross multiply
166,638,477.24x = 249,997,606.74 × 69,540,167.88 - Step 4: Simplify right side
166,638,477.24x = 17,384,875,542,297,818 - Step 5: Solve for x
x = 17,384,875,542,297,818/166,638,477.24 - Step 6: Final answer
x = 104,326,898.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.