Finding the Fourth Proportional to 242,646,587.70, 363,969,881.55 and 134,941,211.70
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Solution
The fourth proportional to 242,646,587.70, 363,969,881.55 and 134,941,211.70 is: 202,411,817.55
Step by Step Solution
- Step 1: Write the proportion equation
242,646,587.70 : 363,969,881.55 = 134,941,211.70 : x - Step 2: Convert to fraction form
242,646,587.70/363,969,881.55 = 134,941,211.70/x - Step 3: Cross multiply
242,646,587.70x = 363,969,881.55 × 134,941,211.70 - Step 4: Simplify right side
242,646,587.70x = 49,114,536,838,662,472 - Step 5: Solve for x
x = 49,114,536,838,662,472/242,646,587.70 - Step 6: Final answer
x = 202,411,817.55
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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.