Finding the Fourth Proportional to 143,759,301.19, 215,562,229.09 and 74,602,471.97
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Solution
The fourth proportional to 143,759,301.19, 215,562,229.09 and 74,602,471.97 is: 111,863,893.47
Step by Step Solution
- Step 1: Write the proportion equation
143,759,301.19 : 215,562,229.09 = 74,602,471.97 : x - Step 2: Convert to fraction form
143,759,301.19/215,562,229.09 = 74,602,471.97/x - Step 3: Cross multiply
143,759,301.19x = 215,562,229.09 × 74,602,471.97 - Step 4: Simplify right side
143,759,301.19x = 16,081,475,153,829,842 - Step 5: Solve for x
x = 16,081,475,153,829,842/143,759,301.19 - Step 6: Final answer
x = 111,863,893.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.