Finding the Fourth Proportional to 75,977,941.43, 113,938,994.46 and 26,108,619.98
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Solution
The fourth proportional to 75,977,941.43, 113,938,994.46 and 26,108,619.98 is: 39,153,336.50
Step by Step Solution
- Step 1: Write the proportion equation
75,977,941.43 : 113,938,994.46 = 26,108,619.98 : x - Step 2: Convert to fraction form
75,977,941.43/113,938,994.46 = 26,108,619.98/x - Step 3: Cross multiply
75,977,941.43x = 113,938,994.46 × 26,108,619.98 - Step 4: Simplify right side
75,977,941.43x = 2,974,789,907,259,465 - Step 5: Solve for x
x = 2,974,789,907,259,465/75,977,941.43 - Step 6: Final answer
x = 39,153,336.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.