Finding the Fourth Proportional to 199,590,930.40, 299,386,395.60 and 97,420,511.20
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Solution
The fourth proportional to 199,590,930.40, 299,386,395.60 and 97,420,511.20 is: 146,130,766.80
Step by Step Solution
- Step 1: Write the proportion equation
199,590,930.40 : 299,386,395.60 = 97,420,511.20 : x - Step 2: Convert to fraction form
199,590,930.40/299,386,395.60 = 97,420,511.20/x - Step 3: Cross multiply
199,590,930.40x = 299,386,395.60 × 97,420,511.20 - Step 4: Simplify right side
199,590,930.40x = 29,166,375,705,677,432 - Step 5: Solve for x
x = 29,166,375,705,677,432/199,590,930.40 - Step 6: Final answer
x = 146,130,766.80
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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.