Finding the Fourth Proportional to 98,961,528.24, 136,574,389.08 and 54,916,864.56
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Solution
The fourth proportional to 98,961,528.24, 136,574,389.08 and 54,916,864.56 is: 75,789,424.04
Step by Step Solution
- Step 1: Write the proportion equation
98,961,528.24 : 136,574,389.08 = 54,916,864.56 : x - Step 2: Convert to fraction form
98,961,528.24/136,574,389.08 = 54,916,864.56/x - Step 3: Cross multiply
98,961,528.24x = 136,574,389.08 × 54,916,864.56 - Step 4: Simplify right side
98,961,528.24x = 7,500,237,227,471,104 - Step 5: Solve for x
x = 7,500,237,227,471,104/98,961,528.24 - Step 6: Final answer
x = 75,789,424.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.