Finding the Fourth Proportional to 57,473,371.80, 86,233,677.30 and 21,099,187.80
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Solution
The fourth proportional to 57,473,371.80, 86,233,677.30 and 21,099,187.80 is: 31,657,452.75
Step by Step Solution
- Step 1: Write the proportion equation
57,473,371.80 : 86,233,677.30 = 21,099,187.80 : x - Step 2: Convert to fraction form
57,473,371.80/86,233,677.30 = 21,099,187.80/x - Step 3: Cross multiply
57,473,371.80x = 86,233,677.30 × 21,099,187.80 - Step 4: Simplify right side
57,473,371.80x = 1,819,460,552,037,297 - Step 5: Solve for x
x = 1,819,460,552,037,297/57,473,371.80 - Step 6: Final answer
x = 31,657,452.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.