Finding the Fourth Proportional to 96,953,939.52, 133,802,992.80 and 55,717,270.08
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Solution
The fourth proportional to 96,953,939.52, 133,802,992.80 and 55,717,270.08 is: 76,893,600.45
Step by Step Solution
- Step 1: Write the proportion equation
96,953,939.52 : 133,802,992.80 = 55,717,270.08 : x - Step 2: Convert to fraction form
96,953,939.52/133,802,992.80 = 55,717,270.08/x - Step 3: Cross multiply
96,953,939.52x = 133,802,992.80 × 55,717,270.08 - Step 4: Simplify right side
96,953,939.52x = 7,455,137,487,349,895 - Step 5: Solve for x
x = 7,455,137,487,349,895/96,953,939.52 - Step 6: Final answer
x = 76,893,600.45
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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.