Finding the Fourth Proportional to 180,585,406.43, 249,199,521.08 and 102,269,520.53
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Solution
The fourth proportional to 180,585,406.43, 249,199,521.08 and 102,269,520.53 is: 141,127,215.32
Step by Step Solution
- Step 1: Write the proportion equation
180,585,406.43 : 249,199,521.08 = 102,269,520.53 : x - Step 2: Convert to fraction form
180,585,406.43/249,199,521.08 = 102,269,520.53/x - Step 3: Cross multiply
180,585,406.43x = 249,199,521.08 × 102,269,520.53 - Step 4: Simplify right side
180,585,406.43x = 25,485,515,537,157,228 - Step 5: Solve for x
x = 25,485,515,537,157,228/180,585,406.43 - Step 6: Final answer
x = 141,127,215.32
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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.