Finding the Fourth Proportional to 97,834,936.80, 146,752,405.20 and 40,297,591.20
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Solution
The fourth proportional to 97,834,936.80, 146,752,405.20 and 40,297,591.20 is: 60,446,386.80
Step by Step Solution
- Step 1: Write the proportion equation
97,834,936.80 : 146,752,405.20 = 40,297,591.20 : x - Step 2: Convert to fraction form
97,834,936.80/146,752,405.20 = 40,297,591.20/x - Step 3: Cross multiply
97,834,936.80x = 146,752,405.20 × 40,297,591.20 - Step 4: Simplify right side
97,834,936.80x = 5,913,768,432,366,354 - Step 5: Solve for x
x = 5,913,768,432,366,354/97,834,936.80 - Step 6: Final answer
x = 60,446,386.80
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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.