Finding the Fourth Proportional to 215,705,153.99, 323,044,133.68 and 137,740,564.19
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Solution
The fourth proportional to 215,705,153.99, 323,044,133.68 and 137,740,564.19 is: 206,282,883.88
Step by Step Solution
- Step 1: Write the proportion equation
215,705,153.99 : 323,044,133.68 = 137,740,564.19 : x - Step 2: Convert to fraction form
215,705,153.99/323,044,133.68 = 137,740,564.19/x - Step 3: Cross multiply
215,705,153.99x = 323,044,133.68 × 137,740,564.19 - Step 4: Simplify right side
215,705,153.99x = 44,496,281,232,331,392 - Step 5: Solve for x
x = 44,496,281,232,331,392/215,705,153.99 - Step 6: Final answer
x = 206,282,883.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.