Finding the Fourth Proportional to 358,114,380.80, 537,171,525.63 and 99,329,599.62
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Solution
The fourth proportional to 358,114,380.80, 537,171,525.63 and 99,329,599.62 is: 148,994,386.79
Step by Step Solution
- Step 1: Write the proportion equation
358,114,380.80 : 537,171,525.63 = 99,329,599.62 : x - Step 2: Convert to fraction form
358,114,380.80/537,171,525.63 = 99,329,599.62/x - Step 3: Cross multiply
358,114,380.80x = 537,171,525.63 × 99,329,599.62 - Step 4: Simplify right side
358,114,380.80x = 53,357,032,568,092,472 - Step 5: Solve for x
x = 53,357,032,568,092,472/358,114,380.80 - Step 6: Final answer
x = 148,994,386.79
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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.