Finding the Fourth Proportional to 144,528,205.05, 198,944,871.28 and 124,744,745.21
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Solution
The fourth proportional to 144,528,205.05, 198,944,871.28 and 124,744,745.21 is: 171,712,692.82
Step by Step Solution
- Step 1: Write the proportion equation
144,528,205.05 : 198,944,871.28 = 124,744,745.21 : x - Step 2: Convert to fraction form
144,528,205.05/198,944,871.28 = 124,744,745.21/x - Step 3: Cross multiply
144,528,205.05x = 198,944,871.28 × 124,744,745.21 - Step 4: Simplify right side
144,528,205.05x = 24,817,327,277,353,260 - Step 5: Solve for x
x = 24,817,327,277,353,260/144,528,205.05 - Step 6: Final answer
x = 171,712,692.82
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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.