Finding the Fourth Proportional to 161,664,755.40, 242,497,133.10 and 143,808,337.80
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Solution
The fourth proportional to 161,664,755.40, 242,497,133.10 and 143,808,337.80 is: 215,712,506.70
Step by Step Solution
- Step 1: Write the proportion equation
161,664,755.40 : 242,497,133.10 = 143,808,337.80 : x - Step 2: Convert to fraction form
161,664,755.40/242,497,133.10 = 143,808,337.80/x - Step 3: Cross multiply
161,664,755.40x = 242,497,133.10 × 143,808,337.80 - Step 4: Simplify right side
161,664,755.40x = 34,873,109,632,376,364 - Step 5: Solve for x
x = 34,873,109,632,376,364/161,664,755.40 - Step 6: Final answer
x = 215,712,506.70
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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.