Finding the Fourth Proportional to 358,162,181.80, 537,243,272.70 and 99,376,901.80
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Solution
The fourth proportional to 358,162,181.80, 537,243,272.70 and 99,376,901.80 is: 149,065,352.70
Step by Step Solution
- Step 1: Write the proportion equation
358,162,181.80 : 537,243,272.70 = 99,376,901.80 : x - Step 2: Convert to fraction form
358,162,181.80/537,243,272.70 = 99,376,901.80/x - Step 3: Cross multiply
358,162,181.80x = 537,243,272.70 × 99,376,901.80 - Step 4: Simplify right side
358,162,181.80x = 53,389,571,953,818,520 - Step 5: Solve for x
x = 53,389,571,953,818,520/358,162,181.80 - Step 6: Final answer
x = 149,065,352.70
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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.