Finding the Fourth Proportional to 149,420,461.12, 224,198,792.88 and 76,688,317.72
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Solution
The fourth proportional to 149,420,461.12, 224,198,792.88 and 76,688,317.72 is: 115,067,428.73
Step by Step Solution
- Step 1: Write the proportion equation
149,420,461.12 : 224,198,792.88 = 76,688,317.72 : x - Step 2: Convert to fraction form
149,420,461.12/224,198,792.88 = 76,688,317.72/x - Step 3: Cross multiply
149,420,461.12x = 224,198,792.88 × 76,688,317.72 - Step 4: Simplify right side
149,420,461.12x = 17,193,428,260,821,914 - Step 5: Solve for x
x = 17,193,428,260,821,914/149,420,461.12 - Step 6: Final answer
x = 115,067,428.73
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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.