Finding the Fourth Proportional to 97,740,731.40, 146,642,988.54 and 46,616,107.08
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Solution
The fourth proportional to 97,740,731.40, 146,642,988.54 and 46,616,107.08 is: 69,939,370.81
Step by Step Solution
- Step 1: Write the proportion equation
97,740,731.40 : 146,642,988.54 = 46,616,107.08 : x - Step 2: Convert to fraction form
97,740,731.40/146,642,988.54 = 46,616,107.08/x - Step 3: Cross multiply
97,740,731.40x = 146,642,988.54 × 46,616,107.08 - Step 4: Simplify right side
97,740,731.40x = 6,835,925,256,311,852 - Step 5: Solve for x
x = 6,835,925,256,311,852/97,740,731.40 - Step 6: Final answer
x = 69,939,370.81
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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.