Finding the Fourth Proportional to 180,804,716.73, 249,563,610.09 and 118,090,402.20
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Solution
The fourth proportional to 180,804,716.73, 249,563,610.09 and 118,090,402.20 is: 162,999,437.31
Step by Step Solution
- Step 1: Write the proportion equation
180,804,716.73 : 249,563,610.09 = 118,090,402.20 : x - Step 2: Convert to fraction form
180,804,716.73/249,563,610.09 = 118,090,402.20/x - Step 3: Cross multiply
180,804,716.73x = 249,563,610.09 × 118,090,402.20 - Step 4: Simplify right side
180,804,716.73x = 29,471,067,090,012,080 - Step 5: Solve for x
x = 29,471,067,090,012,080/180,804,716.73 - Step 6: Final answer
x = 162,999,437.31
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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.