Finding the Fourth Proportional to 245,051,431.80, 367,577,147.70 and 243,616,541.10
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Solution
The fourth proportional to 245,051,431.80, 367,577,147.70 and 243,616,541.10 is: 365,424,811.65
Step by Step Solution
- Step 1: Write the proportion equation
245,051,431.80 : 367,577,147.70 = 243,616,541.10 : x - Step 2: Convert to fraction form
245,051,431.80/367,577,147.70 = 243,616,541.10/x - Step 3: Cross multiply
245,051,431.80x = 367,577,147.70 × 243,616,541.10 - Step 4: Simplify right side
245,051,431.80x = 89,547,873,310,077,808 - Step 5: Solve for x
x = 89,547,873,310,077,808/245,051,431.80 - Step 6: Final answer
x = 365,424,811.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.