Finding the Fourth Proportional to 96,996,861.30, 145,495,291.95 and 39,459,515.70
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Solution
The fourth proportional to 96,996,861.30, 145,495,291.95 and 39,459,515.70 is: 59,189,273.55
Step by Step Solution
- Step 1: Write the proportion equation
96,996,861.30 : 145,495,291.95 = 39,459,515.70 : x - Step 2: Convert to fraction form
96,996,861.30/145,495,291.95 = 39,459,515.70/x - Step 3: Cross multiply
96,996,861.30x = 145,495,291.95 × 39,459,515.70 - Step 4: Simplify right side
96,996,861.30x = 5,741,173,756,977,109 - Step 5: Solve for x
x = 5,741,173,756,977,109/96,996,861.30 - Step 6: Final answer
x = 59,189,273.55
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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.