Finding the Fourth Proportional to 139,857,710.05, 209,750,779.60 and 41,466,408.92
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Solution
The fourth proportional to 139,857,710.05, 209,750,779.60 and 41,466,408.92 is: 62,189,003.35
Step by Step Solution
- Step 1: Write the proportion equation
139,857,710.05 : 209,750,779.60 = 41,466,408.92 : x - Step 2: Convert to fraction form
139,857,710.05/209,750,779.60 = 41,466,408.92/x - Step 3: Cross multiply
139,857,710.05x = 209,750,779.60 × 41,466,408.92 - Step 4: Simplify right side
139,857,710.05x = 8,697,611,598,996,387 - Step 5: Solve for x
x = 8,697,611,598,996,387/139,857,710.05 - Step 6: Final answer
x = 62,189,003.35
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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.