Finding the Fourth Proportional to 75,390,857.58, 104,043,827.55 and 56,773,150.75
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Solution
The fourth proportional to 75,390,857.58, 104,043,827.55 and 56,773,150.75 is: 78,350,294.66
Step by Step Solution
- Step 1: Write the proportion equation
75,390,857.58 : 104,043,827.55 = 56,773,150.75 : x - Step 2: Convert to fraction form
75,390,857.58/104,043,827.55 = 56,773,150.75/x - Step 3: Cross multiply
75,390,857.58x = 104,043,827.55 × 56,773,150.75 - Step 4: Simplify right side
75,390,857.58x = 5,906,895,905,541,228 - Step 5: Solve for x
x = 5,906,895,905,541,228/75,390,857.58 - Step 6: Final answer
x = 78,350,294.66
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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.