Finding the Fourth Proportional to 98,996,895.48, 136,613,660.76 and 54,941,335.68
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Solution
The fourth proportional to 98,996,895.48, 136,613,660.76 and 54,941,335.68 is: 75,817,902.75
Step by Step Solution
- Step 1: Write the proportion equation
98,996,895.48 : 136,613,660.76 = 54,941,335.68 : x - Step 2: Convert to fraction form
98,996,895.48/136,613,660.76 = 54,941,335.68/x - Step 3: Cross multiply
98,996,895.48x = 136,613,660.76 × 54,941,335.68 - Step 4: Simplify right side
98,996,895.48x = 7,505,736,994,288,803 - Step 5: Solve for x
x = 7,505,736,994,288,803/98,996,895.48 - Step 6: Final answer
x = 75,817,902.75
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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.