Finding the Fourth Proportional to 96,996,862.80, 145,495,294.20 and 39,459,517.20
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Solution
The fourth proportional to 96,996,862.80, 145,495,294.20 and 39,459,517.20 is: 59,189,275.80
Step by Step Solution
- Step 1: Write the proportion equation
96,996,862.80 : 145,495,294.20 = 39,459,517.20 : x - Step 2: Convert to fraction form
96,996,862.80/145,495,294.20 = 39,459,517.20/x - Step 3: Cross multiply
96,996,862.80x = 145,495,294.20 × 39,459,517.20 - Step 4: Simplify right side
96,996,862.80x = 5,741,174,064,003,960 - Step 5: Solve for x
x = 5,741,174,064,003,960/96,996,862.80 - Step 6: Final answer
x = 59,189,275.80
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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.