Finding the Fourth Proportional to 180,585,412.54, 249,199,529.40 and 102,269,526.62
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Solution
The fourth proportional to 180,585,412.54, 249,199,529.40 and 102,269,526.62 is: 141,127,223.66
Step by Step Solution
- Step 1: Write the proportion equation
180,585,412.54 : 249,199,529.40 = 102,269,526.62 : x - Step 2: Convert to fraction form
180,585,412.54/249,199,529.40 = 102,269,526.62/x - Step 3: Cross multiply
180,585,412.54x = 249,199,529.40 × 102,269,526.62 - Step 4: Simplify right side
180,585,412.54x = 25,485,517,904,418,776 - Step 5: Solve for x
x = 25,485,517,904,418,776/180,585,412.54 - Step 6: Final answer
x = 141,127,223.66
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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.