Finding the Fourth Proportional to 180,771,872.16, 249,467,916.93 and 101,404,527.09
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Solution
The fourth proportional to 180,771,872.16, 249,467,916.93 and 101,404,527.09 is: 139,939,780.66
Step by Step Solution
- Step 1: Write the proportion equation
180,771,872.16 : 249,467,916.93 = 101,404,527.09 : x - Step 2: Convert to fraction form
180,771,872.16/249,467,916.93 = 101,404,527.09/x - Step 3: Cross multiply
180,771,872.16x = 249,467,916.93 × 101,404,527.09 - Step 4: Simplify right side
180,771,872.16x = 25,297,176,140,414,056 - Step 5: Solve for x
x = 25,297,176,140,414,056/180,771,872.16 - Step 6: Final answer
x = 139,939,780.66
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1.5x scale
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.