Finding the Fourth Proportional to 220,626,448.99, 304,460,785.33 and 121,516,426.06
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Solution
The fourth proportional to 220,626,448.99, 304,460,785.33 and 121,516,426.06 is: 167,690,622.22
Step by Step Solution
- Step 1: Write the proportion equation
220,626,448.99 : 304,460,785.33 = 121,516,426.06 : x - Step 2: Convert to fraction form
220,626,448.99/304,460,785.33 = 121,516,426.06/x - Step 3: Cross multiply
220,626,448.99x = 304,460,785.33 × 121,516,426.06 - Step 4: Simplify right side
220,626,448.99x = 36,996,986,508,722,480 - Step 5: Solve for x
x = 36,996,986,508,722,480/220,626,448.99 - Step 6: Final answer
x = 167,690,622.22
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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.