Finding the Fourth Proportional to 197,641,445.94, 272,745,189.99 and 109,548,678.63
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Solution
The fourth proportional to 197,641,445.94, 272,745,189.99 and 109,548,678.63 is: 151,177,173.51
Step by Step Solution
- Step 1: Write the proportion equation
197,641,445.94 : 272,745,189.99 = 109,548,678.63 : x - Step 2: Convert to fraction form
197,641,445.94/272,745,189.99 = 109,548,678.63/x - Step 3: Cross multiply
197,641,445.94x = 272,745,189.99 × 109,548,678.63 - Step 4: Simplify right side
197,641,445.94x = 29,878,875,166,092,804 - Step 5: Solve for x
x = 29,878,875,166,092,804/197,641,445.94 - Step 6: Final answer
x = 151,177,173.51
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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.