Finding the Fourth Proportional to 98,794,494.24, 136,336,268.34 and 54,744,345.74
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Solution
The fourth proportional to 98,794,494.24, 136,336,268.34 and 54,744,345.74 is: 75,547,123.02
Step by Step Solution
- Step 1: Write the proportion equation
98,794,494.24 : 136,336,268.34 = 54,744,345.74 : x - Step 2: Convert to fraction form
98,794,494.24/136,336,268.34 = 54,744,345.74/x - Step 3: Cross multiply
98,794,494.24x = 136,336,268.34 × 54,744,345.74 - Step 4: Simplify right side
98,794,494.24x = 7,463,639,810,224,695 - Step 5: Solve for x
x = 7,463,639,810,224,695/98,794,494.24 - Step 6: Final answer
x = 75,547,123.02
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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.