Finding the Fourth Proportional to 143,049,558.50, 197,394,897.93 and 80,313,403.62
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Solution
The fourth proportional to 143,049,558.50, 197,394,897.93 and 80,313,403.62 is: 110,824,921.63
Step by Step Solution
- Step 1: Write the proportion equation
143,049,558.50 : 197,394,897.93 = 80,313,403.62 : x - Step 2: Convert to fraction form
143,049,558.50/197,394,897.93 = 80,313,403.62/x - Step 3: Cross multiply
143,049,558.50x = 197,394,897.93 × 80,313,403.62 - Step 4: Simplify right side
143,049,558.50x = 15,853,456,109,638,730 - Step 5: Solve for x
x = 15,853,456,109,638,730/143,049,558.50 - Step 6: Final answer
x = 110,824,921.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.