Finding the Fourth Proportional to 75,390,853.92, 104,043,822.50 and 56,773,147.09
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Solution
The fourth proportional to 75,390,853.92, 104,043,822.50 and 56,773,147.09 is: 78,350,289.61
Step by Step Solution
- Step 1: Write the proportion equation
75,390,853.92 : 104,043,822.50 = 56,773,147.09 : x - Step 2: Convert to fraction form
75,390,853.92/104,043,822.50 = 56,773,147.09/x - Step 3: Cross multiply
75,390,853.92x = 104,043,822.50 × 56,773,147.09 - Step 4: Simplify right side
75,390,853.92x = 5,906,895,238,675,257 - Step 5: Solve for x
x = 5,906,895,238,675,257/75,390,853.92 - Step 6: Final answer
x = 78,350,289.61
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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.