Finding the Fourth Proportional to 220,626,501.26, 304,460,857.23 and 121,516,478.06
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Solution
The fourth proportional to 220,626,501.26, 304,460,857.23 and 121,516,478.06 is: 167,690,693.85
Step by Step Solution
- Step 1: Write the proportion equation
220,626,501.26 : 304,460,857.23 = 121,516,478.06 : x - Step 2: Convert to fraction form
220,626,501.26/304,460,857.23 = 121,516,478.06/x - Step 3: Cross multiply
220,626,501.26x = 304,460,857.23 × 121,516,478.06 - Step 4: Simplify right side
220,626,501.26x = 36,997,011,077,718,088 - Step 5: Solve for x
x = 36,997,011,077,718,088/220,626,501.26 - Step 6: Final answer
x = 167,690,693.85
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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.